Features Portable and light weight fashion design very easy to store in your bagErgonomic earbud design comfortable to wearCVC 6 0 intelligent noise reductionSweatproof design best choice when you do sportsBuilt in high performance lithium polymer battery energy saving design provide you with long time call and music playingControl music and calls from the headphoneAllow you answer the phone anywhereSuitable for all bluetooth enabled devicesCalls hands free drive travel more at easeGeneral Specification Brand BIAZEModel D01Color Green White BlackWearing Type In ear sound insulationFunction Answering phone bluetooth Noise Cancelling Microphone HiFi Answer end refuse transfer call waiting mute volume listen to music pause play play noise reduction context switching A voice report number The music jump control Technical Parameters Connectivity WirelessSound channel stereoMusic time About 8 hoursCall time About 8 hoursFrequency Range 2 4GHZbluetooth Version bluetooth 4 0PackageIncluded 1 x BIAZE D01 Sport bluetoothHeadset 1 x USBCharger Cable 2 x Earplug 2 x ear hook loop 1 x Users Manual