【-38dB Ultra Wideband Noise Reduction】: SoundMAGIC T80BT ANC True Wireless Noise Reduction Bluetooth Earphones are equipped with high-performance noise reduction chips. The front and rear microphones respectively pick up environmental noise inside and outside the ear, and the noise reduction chip generates a signal to drive the speaker to produce sound waves opposite to the noise, in order to cancel out the noise waves and achieve noise reduction effect 【 Choose the appropriate ear tips 】: By selecting silicone ear tips of different sizes, better sound insulation and bass effects can be achieved. The active noise reduction effect will also be significantly improved, with a maximum noise reduction depth of -38dB, which can meet the requirements of listening to music in noisy environments. 【 4 usage modes to choose from 】: Bluetooth mode (ANC Off), transparent mode (ambient sound) and noise reduction mode (ANC On), game mode. 【Hi Res Sound Quality】: Equipped with high-quality 13mm units, precise acoustic chambers, and sound quality tuning, the low frequency is strong, powerful, and has good elasticity. The voice is sweet, the high frequency is clear, the sound field is large, and the resolution is high, making it easy to listen and satisfying HiFi players' pursuit of sound quality. 【 Comfortable to use and long battery life 】: The size and shape of T80BT meet the requirements of ergonomic design, making it comfortable and stable to wear, and not tiring to wear for a long time. The earphones have a full battery life of about 5 hours, and when paired with a charging case, they can last up to 20 hours of battery life. Supports USB-C fast charging, charging for 10 minutes and listening for 1.5 hours. 【CVC Call Noise Reduction】: Using CVC call noise reduction technology, noise is filtered out through digital signal processing, making the call sound clearer and more natural. 【Multi point connection】: Supports connecting two Bluetooth devices simultaneously, allowing for flexible switching between work and entertainment.