Features:100% brand new and high quality.Adjustable head band . Superb style and sound assured.Enjoy music wirelessly from Bluetooth-enabled device、 cellphone、iPad and more.Built-in rechargeable Li-on battery 、 charge directly from USB port.Up to 6 hours talk time、 180 hours stand by time and less than 2 hours charging time.Functions: caller report、 line control answer/hang up/rejection/on-off、 redial、 mute、 volume adjustment、 music pause/play、 up/down song switching、 self timer function.Specification:Material: PlasticLength: 60cmBluetooth Version: V4.1Input: 5V/200mABluetooth Working range : 10mBattery: 80mAh Rechargeable polymer lithium battery Charging Time : 2h Talk Time: up to 6 hoursStandby Time : up to 180 hoursHeadset Profile : HSP、 HFP、 A2DP、 AVRCPPackage Included:1* Bluetooth headset2 pair Ear Tip (Including the tips set in headset)1* Clip