Product Material: ABSQuantity: 1 piecePackage content: 1xBluetooth headset1.[Bluetooth 5.1 Headset and CVC 8.0 Noise Cancellation]Adopts the Bluetooth V5.1 standard, you can achieve faster and more stable transmission. In addition, the wireless earpiece is equipped with advanced noise-cancelling technology that produces a more natural, distortion-free sound quality and clear sound. Noise-cancelling microphone reduces ambient noise making it ideal for noisy office environments.2.[500 mAh Large Capacity Charging Case]The built-in high quality battery charged for 1hours, this Bluetooth headset is recommended for those who are on long distance trips. It also comes with a 500 mAh charging case, you can charge the headset multiple times. You can also charge your Bluetooth earpiece with TYPE-C charging cable. 3.[Multi-functional Keys ] The buttons on the ear allow you to play or pause music, answer/end/reject/redial calls, mute sounds.4.[Mic for Calls and Hands-Free Calling]The microphone is designed for calling, it is not only easy to listen to other people but also prevents the noise and noise from picking up around you. When receiving an incoming call, you can answer incoming calls as is, and you have both hands free, making it convenient for you to talk with your customer. In addition, when you press the mute button, the recipient cannot hear the voice from you.5.[Comfortable Wearing and Binaural Universal] :The ear hook is designed to fit the shape of your ears. which will not cause pain even when worn for a long time. In addition, the ear hand can be rotated and adjusted to your preferred angle. Streamlined design based on the ear line provides a comfortable fit for both left and right ears.