Key features AAC codec and music storage: supports AAC for audio and can store music for playback on the device, suitable for use with mobile phones, tablets and headphones. 3D surround sound: 3D mode activated by the 3D button to switch to 3D and enjoy surround sound from regular sound sources. Integrated microphone for hands calling. Continuous streaming and automatic repairing: builtin 300 mAh polymer battery provides up to 12 hours of use. supports charging and streaming at the same time and automatically repairs with existing paired devices. LDAC and low latency: supports LDAC with low latency for CDquality stereo streaming. Bluetooth 5.0: version for improved transmission efficiency, stability and ultralow power consumption. Use scenarios Daily travel and commuting: connect to a smartphone or tablet to enjoy enhanced audio with 3D surround sound and use the integrated microphone for hands calls. Home or office listening: pair with LDACenabled devices and headphones for quality stereo streaming with low latency, suitable for music or video playback. Long sessions with steady power: rely on up to 12 hours of use on a single charge and the ability to charge while streaming to extend listening time without interruption.