Specification:100% Brand New & High QualityNew fashion design， Mini size and light weightExcellent bluetooth wireless headphone allows you to make and receive calls while on the move or in the officeLogically built-in microphone as well as volume， play， pause skip， call answer and call reject control buttonsThe fully charged battery has power for up to 3 - 6 hours of talk-time or up to 100 - 180 hours of stand-by time.Connect this headset to any compatible Bluetooth-enabled phoneNO Music Play Function!Color: BlackHeadset Net weight: 6gBluetooth Pairing: 1.Open the switch of bluetooth headset2.Open the phone bluetooth function3.Hold the multifunction button bluetooth more than 8 seconds (red bluelights started flashing) ， bluetooth headset has opened4.This time， the mobile phone can search to the bluetooth headset5.then click the bluetooth name ， enter "0000"， waiting for the headphonesTechnical parameter1.bluetooth version: V2.0 compatible V1.5 V1.2， V1.1， V1.02.the transmission power: Class23.wireless frequency: 2.4-2.48 GHz4.the transmission distance: as far as 10 meters5.charging time: 2-4 hours6 and product size: 150 x 75 x 155 MMPackage Include:1xBluetooth headset1xEarhook1xManual1xUSB charging cableNote: NO Retail Box. Packed Safely in Bubble Bag!!! If you need retail box， please find seller for help!!!