Built for Clear Chat: Noise cancelling clarity with the noise cancelling microphone, your voiceis easily understood without the need to shout; Designed for business, a better experience for call teams means a better experience for customers | V5.0 Wireless Technology: Wireless headset with microphone can maintain a fast and stable connection with two devices within 33ft at the same time; Let you no longer be tied to the cord of wired headsets, freedom to walk around at home and office; Compatible with your computer, laptops, smartphones, tablets, and other wireless devices | Lightweight and Comfortable: The on ear headset weights 1.48 oz (lighter than an egg), adjustable headband fits any head shape; soft earpad & anti-slip pad stays securely in place for all-day comfort | 16 Hours Battery Life: Offer up to 16 hours continuous talking time and 200 hours standby time with single fully charged in just 2 hours | Multi-Function Button: You can control the connected device through the side button of the wireless headset, including answer/end calls, previous/next song, microphone mute, etc. Notice: Mute function only supports cell phones at present, we are working on this feature so that it would be used on PC in the future