Product Dimensions:5.4 x 6.4 x 2.73 cm; 132 g Clear calls: the Bluetooth headset with built-in microphone and ENC noise reduction allows the conversation partner to hear you clearly and clearly. CVC8.0 ensures crystal clear sound, so you can enjoy music in high quality and clear calls anytime and anywhere. Real wireless stereo headset. 100 hours playtime: the Bluetooth headset is equipped with a charging cradle with LED display, the headset only takes 1.5 hours to be fully charged and can work for up to 20 hours. The charging cradle provides 80 hours of standby time for the headset with microphone Flexible control: touch sensitive buttons and buttons are combined to avoid touch errors. Switching tracks, adjusting the volume, answering calls and waking up voice assistants are easily possible via the headset control without having to constantly operate the phone, which is very convenient for office workers and car drivers. Comfortable to wear: the headphone hook is made of rubber, which is ergonomically shaped and offers a high level of comfort. The reversible headphone hook and the rotating ear cup allow you to switch between left and right ear as desired. The package includes replacement ear cups in different sizes, so you can adjust them freely. Bluetooth V5.3: Bluetooth V5.3 headset is compatible with most Bluetooth devices and has a stable connection. Headset Bluetooth supports pairing with 2 Bluetooth devices at the same time. For example, you can connect your headset to your phone and computer at the same time, no longer need to switch back and forth to accelerate efficiency in the office.