With the transition from Chinese manufacturing to China Smart Manufacturing and Chinese brands, many old-brand production plants have a full range of processes from design and development to production and sales. While providing customers with ODM/OEM, they have also begun to build their own brands. U&I Technology is such a company.
U&I, a brand of the same name under U&I Technology, has launched a variety of TWS headphones products, which have been loved by many users. U&I Cool true wireless headphones is a compact, lightweight and comfortable pocket headphones. This headphones uses special lightweight materials. The weight of a single headphones is only 3.3g. With the ergonomically designed headphones appearance curve, it can be extremely Greatly improve the comfort and stability of wearing.
In terms of configuration, U&I Cool uses a precision dynamic speaker, built-in Bluetooth 5.0 chip, supports automatic connection removal, supports smart dual-transmission technology, seamless switching between single and binaural modes; supports ENC call noise reduction, voice assistant, and one-button control Wait. Let us experience this product in detail below!
| 1. U&I Cool true wireless headphones unboxing
①. Product packaging and accessories
The packaging box design is very simple, and the white background highlights the product content. The front of the box is designed with the U&I brand LOGO, product appearance rendering, and the product name Cool true wireless headphones.
The bottom of the box contains the product name: U&I Cool, and the packing list: earphones, charging case, eartips, USB cable and manual.
On the side is the U&I brand slogan “Happy U and I”.
Open the box and the earphones are embedded in the sponge protection to prevent damage during transportation. The bluetooth connection instruction diagram of hot silver on the accessory box.
All items in the box include charging case (earphones), USB-A to Type-C cable, 2 pairs of silicone eartips of different sizes, and product manuals in Chinese and English.
②. Appearance design
The U&I Cool true wireless earphone charging case has a very small and light appearance, with a U&I brand LOGO on the top. The model used in this evaluation is black.
A groove is provided on the front of the charging case for easy opening.
The charging interface is located on the back of the charging case and adopts the current mainstream Type-C interface.
Open the charging case, put the headphones in the charging case cockpit in the right and left order, take it out and wear it directly without adjustment.
The earphone protrudes higher from the charging cockpit and can be taken out and worn very conveniently.
Take out the earphones, the earphones are bean-shaped in-ear design, and the color is consistent with the charging case.
There are two charging thimbles in the cockpit, which are connected to the positive and negative poles of the earphones to charge the earphones.
The overall appearance of the headphones.
The one-button function buttons on the back of the earphone are treated with a bright surface process that is different from the body color.
Charging contacts on the inside of the earphone, with L/R logo.
From the side, you can see that the headphones curve and eartip are very unique. There is a microphone opening on the top for voice call pickup.
U&I Cool true wireless earphone mouthpiece, the appearance curve has been uniquely optimized, and the ear caps have also been newly designed.
After actual measurement, the overall weight of U&I Cool headphone is about 35.2g, which is very light.
The earphone weighs only 3.3g and is comfortable to wear without obvious weight-bearing feeling.
③. Product colors
U&I Cool true wireless earphones are equipped with a total of three color schemes: cool black, ivory white and cherry blossom powder. The classic black and white color scheme is suitable for most people’s use, while cherry blossom powder is more inclined to female users.
| 2. Cool true wireless headphones experience evaluation
①. Lightweight body, comfortable to wear
U&I Youwo Cool true wireless headphones use special lightweight materials in appearance, and the overall weight is only 3.3g. The fuselage curve adopts ergonomic design, and the shell curvature of the sound mouth has been polished thousands of times, so that it can perfectly fit the physiological structure of the human ear canal. With the newly designed skin-friendly shallow ear caps, the overall wearing experience is very comfortable. Wearing for a long time does not produce obvious ear canal pain and weight bearing.
②. Convenient connection, rich interactive experience
U&I Cool true wireless earphones are convenient and quick to connect. Take out the earphones in the charging case and automatically turn on, accompanied by voice reminders. Search for the connection through the mobile phone. After the pairing is successful, the headphones can be automatically connected after the subsequent use, and the charging case will automatically shut down and disconnect. The overall use is very convenient.
Bluetooth V5.0 chip, in the process of use, the connection is also very stable. In the course of daily use, there is no disconnection and intermittent music playback.
Interactively, the left and right earphones are equipped with one-click function buttons, which support multiple control modes of single-click, double-click, triple-click, and long-press. Used to pause/play, answer/hang up, switch between previous and next songs, and wake up the voice assistant.
Rich and convenient interactive options, you can perform various operations without turning on the phone when in use. Long-pressing the function button to wake up the voice assistant can also achieve more convenient control options. The earphone terminal does not need to be close to the mobile phone to perform various controls in one sentence.
③. Hi-Fi sound quality, pure listening
In terms of sound quality, U&I Cool true wireless headphones use a 6mm dynamic driver and a composite fiber PU diaphragm, which has a wide sound field and powerful low-frequency effects. In the middle and high frequency performance, it can also present richer details. With the physical noise reduction effect brought by the close-fitting and deep ear canal appearance curve design, it can bring an immersive and pure listening experience.
④. ENC noise reduction algorithm blessing, clear call
U&I Cool true wireless headphones picks up the call sound through the built-in call microphone unit, and works with the ENC call noise reduction algorithm to intelligently shield the ambient noise and optimize the human voice to provide clearer voice effects during the call.
⑤. Type-C interface, long-lasting battery life
In terms of charging endurance, U&I Cool uses the current mainstream Type-C charging interface, and can share a set of chargers with mobile phones when going out, reducing the burden of complicated wires.
In terms of battery life, due to the Bluetooth 5.0 low-power chip, a single battery life has reached 5 hours. The charging case can also provide an additional 3 times of charging for the headphones. The overall battery life is 20 hours, which fully meets the daily and short-distance travel use.
| 3. Summary
Although U&I Cool true wireless headphones is an entry-level TWS headphones, it is very attentive in terms of appearance design and functional applications. The charging case is very small in size and easy to carry when going out. The headphones adopts a unique ergonomic curve design. It is worn deep into the ear canal and fits tightly. With a body weight of 3.3g, it is very comfortable and stable to wear.
The Bluetooth 5.0 chip brings a stable connection with low power consumption for this product. The overall experience does not show any disconnection or intermittent playback problems. The single battery life of 5 hours meets the needs of most users; convenient The connection mode and rich control options also enhance the user’s actual experience.
The 6mm composite fiber PU diaphragm dynamic driver with the deep ear canal wearing method brings pure and comfortable sound quality; the blessing of ENC call noise reduction technology also provides protection for the call effect of U&I Cool true wireless headphones. As a product of about 100 RMB, the overall experience can be said to be very superior.