Product Information about this product [Bluetooth 5.1 Headset CVC 8.0 Noise Reduction] - This Bluetooth headset complies with Bluetooth V5 .1 standard, so you can achieve faster and more stable transfer. The transmission range is up to 10 m (without obstacles). In addition, the Bluetooth headset is equipped with advanced noise reduction technology for a more natural, undistorted sound quality and clear sound. [LED Battery Charger] - The mobile phone headset is designed for 12-15 hours of continuous phone calls and up to 100 hours with the charger. 480 hours of fitting time. The mobile phone is equipped with a Type-C fast charging function, which after 1.5 hours of fast charging for 12 hours allows you to communicate like face-to-face. [Microphone for phone calls and hands-free] - The microphone is designed for phone calls, you can not only hear other people simple, but to protect them also that the noise and sounds around you are recorded. When you receive an incoming call, you can answer it as usual, so you can talk comfortably with your customer. In addition, you can press the volume button +/- for 2 seconds to enable/disable the microphone. [Binaural versatility to wear comfortably] - The main part of the Bluetooth headset weighs only 12g, which will not cause pain even when it is worn for a long time. In addition, the ear hook can be rotated 180, so you can adjust it to the desired angle. The streamlined design, which rests on the ear line, provides a comfortable fit for both left and right ears. [Multifunctional Buttons Simultaneous Connection to 2 Devices] - The Bluetooth headset with microphone is equipped with a multi-functional button that allows you play or pause music, answer or reject calls. < /div>