BLUETOOTH 5.0 & WIRELESS FREEDOM -- With Bluetooth 5.0 technology, ensure Faster&Stable Connection.Pair easily with any two Bluetooth devices at one time. Roam range up to 30 feet from paired Bluetooth devices. Meet all your needs of calling. | BUILT FOR CLEAR CHAT -- Superior cVc6.0 Noise Cancelling Microphone blocks out unwanted noise. The mic is also adjustable to pick up your voices loud and clear. Provide crystal-clear conversations even in noisy environment. | 16-Hrs TALKING TIME -- Offer up to 16 hours continuous talking time and 200 hours standby time with single fully charged in just 2 hours. Get enough juice to keep you productive all day. | LIGHTWEIGHT & COMFORTABLE -- The headset weights 1.6 oz (lighter than an egg). Enjoy extended comfort with padded earpad and flexible headband.Feel no burden during longer working sessions.The over-the-head BLUETOOTH HEADSET can be worn over the right or left ear according to your preferences. | COMPLY WITH FCC REGULATIONS - FCC ID 2AMH2-MBH15. This equipment has been tested and found to comply with the Radio frequency devices. Our bluetooth headset is not only designed for calling, but also support listening to music. Great idea for driver, call center, Skype chat, conference calls, webinar presentations and more. | Notice: Mute function only supports on cell phones at present, we are working on this feature so that it would be used on PCs in the future.