Product Material: ABS Quantity: 1 piece Package content: 1 * Bluetooth headset 1. [Bluetooth 5.1 Headset CVC 8.0 Noise Reduction] Using the Bluetooth V5.1 standard, you can achieve faster and more stable transmission. In addition, the wireless headset is equipped with advanced noise-cancelling technology that provides 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 charges in 1 hour, this Bluetooth headset is recommended for those on long journeys. It also comes with a 500 mAh charging case, you can charge the headset multiple times. You can also charge your Bluetooth headset with a TYPE-C charging cable. 3. [Multifunctional Buttons] The buttons on the ear allow you to play or pause music, answer/end/reject/redial calls, mute sound. 4. [Microphone for Calls Hands-free Calls] The microphone is designed for calls, it is not only easy to listen to other people but also prevents noise and sounds from being picked up around you. When you receive an incoming call, you can answer incoming calls as is, and you have both hands free, which makes it convenient for you to talk to your customer. In addition, when you press the mute button, the receiver cannot hear your voice. 5. [Comfortable Use Binaural Universal]: The ear hook is designed to fit the shape of your ears. which does not cause pain even when worn for a long time. In addition, the ear hook 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 ear.