BUILT FOR CLEAR CHAT -- Superior 4X 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.LIGHTWEIGHT COMFORTABLE -- The headset weights 1.48 oz (lighter than an egg). Enjoy extended comfort with padded earpad and flexible headband. Great choice for those who are not comfortable with the In ear type headsets.12-Hrs TALKING TIME -- Offer up to 12 hours continuous talking time and 200 hours standby time with single fully charged in just 2 hours.EASY PAIRING WIRELESS FREEDOM -- 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. Specification:Bluetooth Mode: Headset/Hands FreeWorking Range: up to 30 feetTalk Time: about 12 hoursStandby Time: 200 hoursCharging Time: 2 hoursBattery Capacity: 120 mAhPackage Included:1 x Bluetooth Headset1 x USB charging cable1 x User manual