Realme Buds Air 3S review: Dolby Atmos support, 30-hour battery life

Realme Buds Air 3S has a recognizable appearance design, excellent sound quality, dual devices connection and 30 hours battery life are all its advantages. But the shortcomings are also obvious, lacking active noise cancellation and transparent mode.

Realme Buds Air 3S specs and features:
  • Bluetooth 5.3 with SBC/AAC codec
  • 7 hours playback of per charge
  • Charging case can charge earbuds fully 3 times
  • 69ms game low latency
  • IPX5 waterproof grade
  • $38 – Check latest price on AliExpress, Amazon US, Amazon Germany or other Amazon countries

Appearance Design and Comfort

Through the completely transparent charging case cover, you can see the overall structure and earbuds inside, and the DARE TO LEAP Slogan, the vacuum coating of the headset stem and the earwings of the whale fin are particularly conspicuous. At the same time, the color of whale fin earwings and charging case is the same light gray color, which is very recognizable in appearance.

There is a groove on the front of the charging case at the opening for easy opening. Below is the pairing button. On the back is the Type-C charging interface.

The earbuds adopt a short headset stem in-ear design, which is very small and compact overall. The vacuum plating process on the headset stem adds a lot of texture to the earbuds. The surface supports touch operation, integrating beauty and function.

Whale fin earwings are also made of silicone material, which fits the contours of the ear when worn, improving comfort and stability. The L/R logo is printed on the outside of the earbuds for easy identification. There are charging contacts and pressure relief holes inside the earbuds. The bottom of the headset stem is the call microphone hole.

There is another microphone hole on the top of the headset stem. Whale fin earwings are detachable like eartips, and it is also very convenient for daily cleaning.

After actual measurement, the overall weight of Realme Buds Air 3S is about 49.5g. The charging case is small in size and fits easily into a jeans pocket. The weight of a single earbud is about 4.6g, which is very well controlled. With the newly added whale fin earwings, it is light, comfortable and firm to wear.

Connectivity and APP

Realme Buds Air 3S adopts the latest Bluetooth 5.3 technology, which has good compatibility, stable connection and lower power consumption. When connecting for the first time, just select “realme Buds Air 3S” in the bluetooth device list on your phone to connect quickly. Open the charging case for subsequent use to connect to a successfully paired bluetooth device. The earbud can be charged when it is put into the charging case, and it will be disconnected automatically after closing the case cover. And Realme Buds Air 3S supports dual devices connection, you can connect two bluetooth devices at the same time.

In the actual test, Realme Buds Air 3S has a stable connection with the mobile phone within a distance of 10 meters. In the absence of obstacles, the intermittent connection began to appear when the distance from the mobile phone was more than 11 meters.

In addition, when used with Realme devices, it can be paired with one key through the open cover connection function. After connecting, a pop-up window will display the remaining power of the device.

After installing the realme Link APP, you can also set a personalized theme for the pop-up window. When connecting, a cool animation will be displayed in the pop-up window, which is more dynamic than the default theme.

In the realme Link APP, you can check the device connection status and remaining power. You can also adjust functions such as sound effect presets, custom EQ, volume boost, Dolby Atmos, game mode, shooting assistance, dual-device connection, button settings, and find earphones.

Among them, Dolby Atmos has environmental sound effects: smart, indoor, street, commuting, airplane. Scene sound effects: smart, movies, games, music. Targeted adjustments and matches are made for different environments and content to bring a richer listening experience.

Calls, Game and Battery Life

Realme Buds Air 3S supports dual-mic AI ENC noise cancellation function, as well as advanced Beamforming noise cancellation technology and deep neural network learning (DNN) algorithm blessing, together to achieve triple noise cancellation effect. Greatly reduce the background noise during the call, making the voice of the call more pure and clear.

In addition, after the Realme Buds Air 3S turns on the game mode, the full link delay can be reduced to as low as 69ms, and the audio and video are more synchronized. Dual-device connection adds extra points to the experience of using multiple devices alternately. The waterproof performance of IPX5 level enables earbuds to cope with daily sweat and raindrops.

Using a portable power tester to test the wired charging of Realme Buds Air 3S, the charging power is about 2W. The single battery life of Realme Buds Air 3S is up to 7 hours, the charging case can provide an additional 23 hours of battery life, and the overall comprehensive battery life can reach up to 30 hours. Listen to music for 4 hours a day and use it for a week without charging. At the same time, Realme Buds Air 3S supports fast charging function – charging for 10 minutes, listening to music for 5 hours.

Sound Quality of realme Buds Air 3S

Realme Buds Air 3S uses an 11mm bass dynamic driver and a newly developed Blue Whale diaphragm to improve the performance of earbuds in various frequency bands. At the same time, Realme Buds Air 3S supports AAC high-definition audio encoding, which can retain more detailed information when listening to audio.

In the experience session, I randomly selected some popular music for trial listening. Realme Buds Air 3S’s actual sense of hearing is relatively good, with deep low-frequency extension, full-bodied vocals, good instrumental music restoration, and a lot of details. The experience after listening to multiple music auditions is quite remarkable, and it is no problem to deal with daily listening to songs.

And when paired with a mobile phone that supports Dolby Atmos, you can get a better sense of presence. At the same time, rich EQ presets and custom tuning can also provide more possibilities for sound, enriching the fun and playability of listening.

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