• BLUETOOTH 5.3 Compatible with Bluetooth 5.3 and equipped with an omnidirectional microphone, it delivers exceptionally clear call quality even in noisy environments such as subways and bus stops Equipped with a high-efficiency long-lasting battery, it allows up to 20 hours of music playback (playback time is the time during music playback and varies depending on volume and usage environment) • SUPER STRONG NOISE REDUCTION: Automatically activates noise cancellation at the best intensity for your scenes according to ambient noise levels • Wired/Wireless & Easy to Operate: Supports a variety of wired and wireless playback modes, and via Bluetooth 5.3 technology, it provides a fast and stable connection No need to worry about the audio quality when talking or playing music It also supports TF card mode, allowing you to insert an SD card and enjoy music Comprehensive compatibility with various devices equipped with Bluetooth functionality, use Bluetooth pairing for the first use, and automatically pair with your smartphone for subsequent uses Use the control buttons with built-in microphone and ear cover for intuitive and convenient operation The button response is excellent, ensuring you never miss a wonderful moment while listening to music or enjoying a call • Package Contents: Main unit, 3.5 MM audio cable x 1, Type C charging cable x 1, Instruction manual x 1.