Noise reduction mode 70h long battery life, 233621 Hush bluetooth headset detailed review

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233621 Hush Noise Cancelling Headphones – Lightweight Over Ear ANC Bluetooth Headphones. 100 Hours Playtime, Wireless Headphones with CVC Noise Reduction for Improved Call Quality

$49.99 at Amazon US


 

Head-mounted headphones have a century of history as the beginning of earphones, but compared with the popular TWS true wireless earphones in recent years, their size limitations make them lack portability and cannot be fully popularized. However, the development of active noise reduction function has brought new market vitality to head-mounted headphones. The size limit has also become an advantage, which can accommodate more firmware configurations, so that it can better play the effect of active noise reduction.

This time I bring you a headset bluetooth headset that supports active noise reduction ——233621 Hush. In appearance, this product adopts an ergonomic head beam curve design, complete structure and functionality, and supports Telescopic, rotating and folding, easy to wear personalized adjustment and go out to carry; the use of touch operation, and the concave surface treatment in the touch area, more conducive to blind control.

Built-in 40mm neodymium iron boron strong magnetic sound unit, equipped with graphene bio-diaphragm, bluetooth 5.0 chip; adopts Hybrid hybrid noise reduction technology, supports active noise reduction function, noise reduction depth -35dB; has noise reduction on/environmental sound/noise reduction Three modes are switched off; and the call noise reduction function improves the clear call effect in noisy environments; the built-in 1200mAh large battery can also achieve 70 hours of battery life in the noise reduction mode.

1. 233621 Hush noise cancelling headphones unboxing

①. Product packaging and accessories

233621 Hush

The packaging box is made of environmentally friendly and easily degradable carton material, which continues the low-carbon environmental protection concept of the 233621 brand. The front information of the box has the 233621 brand LOGO, the product name HUSH bluetooth Active Hybrid Noise Cancelling Headphones, and the active hybrid noise reduction (feed forward + feed backward) up to -35dB + noise reduction battery life for 70 hours.

The spark passion product slogan is designed on the side, the innovation and design logo of Shenzhen International Low Carbon City.

The back is designed with the 233621 brand LOGO, and the back label has the product bar code, the product color meteorite black, and FCC, CE, BC and other certification information.

There is a bluetooth logo on the bottom, product model: 233621 Hush, manufacturer: Shenzhen Grandsun Electronic Co., Ltd..

Open the box, the top part is protected from the protective paper jam printed with spark passion product slogan, decorated with 233621 word pattern.

Inside the box, the earphones are protected and fixed by a special frame to prevent damage during transportation. The accessories are placed in the grooves of the frame, and the design is deliberate.

The items in the box include earphones, charging cables, storage bags, product manuals, quick operation guides, and brand promotional cardboard with a very passionate and energetic design, allowing consumers to better understand the 233621 brand concept and values.

The earphone storage bag is easy to carry around, and the blue 233621 brand LOGO is designed in the middle.

USB-A to USB Type-C charging cable.

After actual measurement, the length of the charging cable is about 52cm, which can meet daily use.

②. Headphone design

233621 Hush

The overall appearance of the 233621 Hush bluetooth headset adopts the current mainstream design scheme. The appearance is complete and functional. It supports telescopic, rotating and folding, which is convenient for personal adjustment and carrying out.

233621 Hush

The outer appearance of the earphone has a concave surface treatment on the back panel, printed with the 233621 brand LOGO, and the right ear is a touch panel, which not only enhances the product hierarchy, but also facilitates blind operation.

The inside appearance of the earphone, the large L/R logo is designed in the earmuffs, and the font is large, which is convenient for users to identify. The earmuffs and head cushion are made of bionic leather and filled with memory foam, which is delicate to the touch and comfortable to wear.

The microphone opening on the back panel of the headset is used for active noise reduction. The inner silver metal dust-proof net covers, and the outer bright surface design protective ring effectively improves the product texture.

233621 Hush

The earmuffs are installed directly on the shell, and the earmuffs are relatively deep, with strong wrapping and airtightness, which enhances the noise reduction experience.

233621 Hush

The head beam telescopic slide rail structure can adjust the length of the head beam according to your own needs.

233621 Hush

The power switch and the earphone pressure relief hole are cleverly hidden in the position where the arc-shaped bracket and the ear shell are connected, which reduces the openings that can be directly seen on the shell and makes the appearance of the earphone more integrated.

233621 Hush

The Type-C charging interface is also hidden in the position where the arc bracket and the ear shell meet.

233621 Hush

The appearance of the bottom of the earphone, the button that can be directly seen on the appearance of the whole earphone is only one MFB multi-function button, which is used to increase and decrease the volume and activate the voice assistant.

The information printed on the inside of the head beam has product model: Hush, input: 5V⎓1A, FCC ID: 2AN4C-233621HUSH, CMIIT ID: 2020DP5946, made in China.

The headphone shaft structure can realize left-right rotation and folding functions.

The shaft structure rotates 90°.

The earphone slide rail structure is tested internally, and the middle is the beam wire.

Headphone head cushion, skin-friendly material leather case with memory foam, effectively disperses weight, reduces head pressure, and improves wearing comfort.

The outer side of the head beam is designed with grooves and mirrored to create a contrast between light and dark to enhance the product texture.

The microphone hole on the right ear side is used for voice calls.

The headphone indicator light allows users to learn the status of the headphone more intuitively through different light colors and flashing frequencies.

After actual measurement, the overall weight of the 233621 Hush noise reduction headset is about 231g, which is relatively light and comfortable to wear without significant weight bearing.

2. 233621 Hush noise cancelling headphone function review

After unpacking the box, we have a comprehensive understanding of the design of the 233621 Hush bluetooth headset, and the following will share the actual experience of this product. Mainly from the interactive experience, noise reduction effect experience, music effect experience, headset and mobile phone connection compatibility, connection stability, charging, battery life and other aspects of experience and testing, let’s take a look at this product in the daily use process How is the performance?

①. Interactive experience

Get a headset product, whether the interactive operation is easy to learn, and convenience is the most basic experience. The 233621 Hush noise-canceling headset enters the pairing mode by long pressing the power button, and searching for the product name in the bluetooth connection interface of the mobile phone can quickly pair and connect. After the connection is successful, the subsequent use will automatically connect back when the headset is turned on within the bluetooth connection range, which is more convenient to use. And when the headset is turned on and not connected, it will automatically turn off after ten minutes to avoid wasting battery life after forgetting to turn it off.

233621 Hush has rich control methods and clear logic. Many different interactive operations can be realized through the touch panel and an MFB multi-function button. In music mode, click the touchpad to pause playback, double-click and triple-click the touchpad to switch between up and down songs, long press to switch between noise reduction on/ambient sound/noise reduction; in call mode, double click on the touchpad Achieve answering/hanging up, long press is to reject.

The MFB multi-function button realizes volume increase control by double-clicking, and single-click volume reduction control. Long press to activate the mobile phone voice assistant function. Compared with other products, adding a multi-function button to individually control the volume adjustment increases the maneuverability of the product. Put on the headset, you can perform various controls, no need to enter the control on the mobile phone.

②. Noise reduction effect experience

Active noise reduction is a main function of the 233621 Hush headset. It uses Hybrid active hybrid noise reduction technology. It uses built-in front and rear noise reduction microphones to collect noise from the external environment and the internal ear canal, and then cancels the noise through sound wave cancellation technology to achieve elimination The effect of noise, the depth of noise reduction can reach -35dB instantly, entering a quiet world.

The pros and cons of noise reduction effect In addition to active noise reduction, physical passive noise reduction also has a certain impact. 233621 Hush earmuffs are selected from bionic leather and are filled with memory foam, which can give the ears a 360-degree comfortable and tight wrapping, thereby achieving a good physical noise reduction effect.

And 233621 Hush noise reduction headphones also support three mode switching of noise reduction on, environmental transparency and noise reduction off for custom adjustment in different usage scenarios. Turn on the noise reduction mode in high-noise environments, commuting, or work and study to give a quiet personal space; in a short conversation or need to obtain information from the outside world, you can turn on the ambient sound mode without removing the headset for clear communication; the normal mode is in It is used in a relatively quiet environment to reduce power consumption and increase battery life.

In terms of actual experience, the 233621 Hush noise-canceling headphones have a strong suppression effect on low-mid and low-frequency noise, and the roar of the air conditioner is completely inaudible when used in the office. In the street, you can experience the huge difference before and after noise reduction. Before and after the noise reduction switch, you can completely enter two worlds. And due to the wrapping style of the headset, compared to the in-ear TWS noise reduction headphones, there is no obvious ear pressure feeling after the noise reduction is turned on, and the noise reduction effect is more comfortable.

③. Music effect experience

The 233621 Hush is equipped with a built-in 40mm neodymium iron boron strong magnetic sounding unit, with a nano-scale biological diaphragm, which has a strong resolution. And the sound quality is personally controlled by the French tuning master Dr. Mickael Lefebvre to ensure that the sound quality is balanced and lossless, and achieves excellent full-range detail performance. With the active noise reduction function, it can achieve a clean music experience moment.

233621 Hush

Compared with TWS true wireless earphones, headsets have a larger driver unit that can bring richer sound quality and detailed performance, and the wrapping style of wearing can also make it have a wider and comfortable sound field. Wearing the 233621 Hush headset to experience the music effects. For lyrical pop music, the vocal details are rich and full, and the emotional effects of music rendering can be well felt. In the style of rock and roll, the dense drums are surging and powerful. The vocals are distinct. The overall music performance is not bad, and it can meet the music needs.

④. Headphone and mobile phone connection compatibility test

In terms of headset and mobile phone connection compatibility, the 233621 Hush noise-cancelling headset was tested whether it can display the headset power and interactive operations normally when connected to iPhone11Pro Max, Xiaomi 11, Huawei Mate40 Pro, Samsung Galaxy S20 Ultra. After testing, the battery can be displayed normally and every operation can be performed on these phones.

233621 Hush is connected to iPhone11 Pro Max, and the battery level can be displayed normally in the status bar, which is convenient for users to learn about the remaining battery power of the headset in real time and charge it in time.

233621 Hush connects with iPhone11 Pro Max to wake up the mobile voice assistant and perform various operations normally.

233621 Hush is connected to Xiaomi 11, the remaining battery status can be displayed normally in the status bar.

Connecting 233621 Hush and Xiaomi 11 can wake up the mobile voice assistant normally and perform various operations.

233621 Hush is connected to Huawei Mate40 Pro, the remaining battery status can be normally displayed in the status bar.

Connecting 233621 Hush and Huawei Mate40 Pro can wake up the mobile voice assistant normally and perform various operations.

233621 Hush is connected to Samsung Galaxy S20 Ultra, the remaining battery information is not supported in the status bar, but the remaining battery percentage information can be seen in the bluetooth settings interface.

233621 Hush connects to Samsung Galaxy S20 Ultra to wake up the voice assistant normally and perform various operations.

⑤. Connection stability

In testing the connection stability of the 233621 Hush bluetooth headset, the paired mobile phone was placed in a fixed position in the editorial office, and then moved to a different position with the headset to perform the connection stability test in different scenarios and distances.

Line 1, passing through the office area of ​​colleagues, computers, printers and other equipment are all working.
Line 2 passes through the partition wall and a transparent floor-to-ceiling glass.
Line 3 is a straight line without obstacles.
Line 4, passing through the reception room and negotiation area, there are scattered obstacles but no electronic signal equipment.

Measured in four locations, the 233621 Hush headset has a stable bluetooth connection with the mobile phone, and there is no disconnection, sound quality damage or intermittent music playback.

⑥. Charging & battery life

Battery life is also a highlight of the 233621 Hush headset. The 233621 Hush uses the current better Type-C charging interface and supports fast charging. It can play music for 3 hours after charging for 10 minutes and fully charge the headset in 3 hours. When it is fully charged, it is only used in bluetooth mode, and the continuous battery life has reached an astonishing 100 hours. When the noise reduction mode is turned on, the battery life can last for 70 hours. Daily use, one charge, no need to consider the power issue for a week, and it is enough to meet the needs of medium and short-term business trips.

Use the ChargerLAB POWER-Z KT002 portable power tester to perform a wired charging test on the 233621 Hush bluetooth headset. The input power is about 4.33W.

3. Summary

Appearance:
233621 Hush noise reduction headphones adopt a minimalist aesthetic design, simple and generous in shape, and pay attention to changes in level and light perception to enhance product texture; the appearance is relatively complete in functionality, supporting telescopic, rotating and folding functions, easy to wear Modular adjustment makes it comfortable to wear and more portable when going out.

Wear feeling:
The appearance of the earphone has strong self-adjustment. With the earmuffs and head cushion structure filled with selected bionic leather and memory foam, it can give the ears a 360-degree close package. The overall wear is comfortable and skin-friendly, and there is no obvious ear-pressing or weight-bearing feeling after long-term use. And the soft earmuff design is also very friendly to friends who wear glasses, and it won’t feel the obvious sense of pressure on the temples while being tightly wrapped.

Noise reduction effect:
233621 Hush adopts Hybrid active hybrid noise reduction technology, the noise reduction depth can reach -35dB instantly. And it supports the environmental transparency mode to improve the user experience in different scenarios. The actual use experience has a strong suppression effect on mid- and low-frequency noise, and due to the wrapping style of the headset, there is no obvious ear pressure after the noise reduction is turned on, and the noise reduction effect is more comfortable.

Music effect:
233621 Hush has a built-in 40mm neodymium-iron-boron strong magnetic sounding unit, with a nano-scale biological diaphragm, which has a strong resolution. The sound quality is personally controlled by the French tuning master Dr. Mickael Lefebvre, with excellent full-range detail performance. With the active noise reduction function, it can achieve a clean music experience moment. The overall music performance is not bad, and it can meet the music needs.

Connection:
In terms of connection, 233621 Hush enters the pairing mode by long pressing the power switch. After the pairing is successful, the subsequent use will automatically connect back when the headset is turned on within the bluetooth connection range, which is more convenient to use. In the bluetooth connection test with Android and iOS systems, the compatibility is good. The connection is stable within 15 meters, and there is no disconnection and sound quality damage.

On the whole, the 233621 Hush noise-canceling headphones belong to the current mainstream design style in appearance design, with complete structure and functionality, and high independent adjustment, making them more comfortable to wear. In terms of functional configuration, the active noise reduction effect is excellent, the sound quality is good, and it can reach 70 hours of battery life in the noise reduction mode. It has a strong competitiveness in the current bluetooth headset market.


$49.99 at Amazon US

Make sure it says “ships from and sold by Amazon.com” to avoid counterfeits.

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