Time to market: Jul-14Style: NeckbandLine Length: NoneResistance: 32¦¸Package: YesUse: Mobile PhoneCommunication: WirelessPlug Type: USBSensitivity: 83dBConnectors: 3.5mmIs wireless: YesFunction: Bluetooth、Waterproof、Noise Cancelling、Microphone、Common Headphone、Wireless Headphone、For Mobile Phone、Portable、Sport、Supports musicWith Microphone: YesFrequency Response Range: 20-20000HzModel Number: Cootree 220Bluetooth Headset Item: Cootree 220Bluetooth 4.0 Chip: CSRStereo Bluetooth Headset : Charging Time 3HStandby Time: Over 250HWeight: 40gFunction: Waterproof、 Noise CancellingWorking Distance: 5-10MTalking Time: Over 10HPlaying Time: Over 7HFrequency: 2400-2483.5MHz