Supports LDAC and low latency for CDquality stereo streaming, delivering fidelity audio with minimal delay. Supports AAC advanced codec and music storage; suitable for use with mobile phones, tablets and headphones. Uses Bluetooth 5.0 for improved transmission efficiency, stability and ultralow power consumption. 3D surround sound function: with the 3D button, switch to 3D and enjoy surround sound from regular sound sources. Integrated microphone for hands calling. Continuous streaming and automatic repairing: equipped with a 300 mAh quality polymer battery, providing up to 12 hours of use time; supports charging and streaming at the same time; automatically repairs with existing paired devices. Use scenario 1: On the go with a mobile phone or tablet. Pair quickly via Bluetooth 5.0, listen with LDAC for stereo, and use the builtin microphone for hands calls during commutes or workouts. Use scenario 2: At home or in the office. Connect to a TV, computer or other playback device and enable 3D surround sound for an immersive listening experience from regular sources, while maintaining reliable wireless stability. Use scenario 3: Allday use with charging while streaming. Benefit from up to 12 hours of playback, with the ability to charge and stream simultaneously, and seamless automatic repairing with your previously paired devices.