realme Buds Air 3S is built for real bass, with 11mm liquid silicone triple titanium bass driver. The realme earbuds has better low frequencies and deeper bass dive than high-end wireless Bluetooth headphones. In addition, to the 4 EQ Tuning modes, which allows you to flexibly adjust the high and low frequencies its features are bass boost, clear bass, nature balance, clear vocals. realme Buds Air 3S supports Dolby Atmos Fully immersive Audio. The 4-mic design is equipped with advanced Beamforming noise reduction technology, DNN intelligent algorithm, AI ENC noise reduction algorithm which is optimized for daily noise scenes, triple noise reduction for clear and crisp calls. The realme earbuds Air 3S is always your music companion, with up to 30 hours of battery life, its offering you to 7hours of playback in Buds alone, 30 Hours of playback in Buds + case and 16 Hours of calling in Buds + case. realme Buds Air 3S is enable with smart-delay triple-channel technology, you can enjoy smoother gameplay with super low latency of 69ms on the full link and highly synchronized audio and video. A new generation of Bluetooth 5.3 with lower power consumption and stronger signal for fast and stable connectivity. Music playback and answering calls can be controlled with a simple touch. Its also real quality IPX5 Water Resistance.