Key benefits LDAC support and low latency enable CD quality stereo streaming with minimal delay for a better listening experience. 3D surround sound mode: by pressing the 3D button, switch to 3D and enjoy surround sound from regular sound sources. Integrated microphone for hands calling, improving convenience during calls. Long streaming time: 300 mAh polymer battery provides up to 12 hours of use; supports charging while streaming. AAC codec support and music storage for broad compatibility with mobile phones, tablets, and headphones. Bluetooth 5.0 for efficient transmission, stable connections, and ultralow power consumption. Key features Audio and codecs: LDAC with low latency, AAC advanced codec, and music storage support. Audio enhancement: 3D surround sound mode for regular sound sources. Communication: builtin microphone for hands calls. Battery and charging: 300 mAh battery, up to 12 hours of use, charging while streaming. Connectivity: Bluetooth version 5.0 for improved efficiency and stability. Compatibility: suitable for use with mobile phones, tablets, and headphones. Compatibility Works with mobile phones and tablets. Compatible with headphones and other Bluetooth audio devices. Use scenarios On the go: pair with a mobile phone and wireless headphones to enjoy fidelity music and handle calls with ease during travel or commuting. Home entertainment: connect to a TV, computer, or tablet and use the 3D surround mode to enhance regular sound sources during movies or videos. Daily communication: use during work or casual calls to benefit from the builtin microphone and stable Bluetooth connection. Specifications and performance highlights Codec support: LDAC, AAC plus music storage. 3D surround sound: available via the 3D button. Microphone: integrated for hands calling. Battery: 300 mAh polymer battery, up to 12 hours of use. Charging: can charge while streaming. Bluetooth: version 5.0 for transmission efficiency, stability, and low power usage.