3D SURROUND SOUND MODE With the 3D button you can switch to 3D and enjoy surround sound from regular sound sources. The integrated microphone enables hands calling. CONTINUOUS STREAMING AND AUTO REPAIRING 300 mAh polymer battery provides up to 12 hours of use. Supports charging and streaming at the same time. Automatically repairs with existing paired devices. LDAC AND LOW LATENCY Supports LDAC and low latency for CDquality stereo streaming. AAC ADVANCED CODEC AND MUSIC STORAGE Supports AAC advanced codec and music storage; suitable for use on mobile phones, tablets and headphones. BLUETOOTH 5.0 Adopts the version of Bluetooth compatible V5.0 for improved transmission efficiency, stability and ultralow power consumption. USE SCENARIOS Daily commute or travel: long battery life, seamless auto repairing, and hands calling for calls while on the move. Home office or video calls: reliable wireless connection with stable audio and a builtin microphone for hands conversations. Music and video playback on mobile devices: fidelity audio with LDAC and AAC support for compatible devices.