... HookCommunication: WirelessConnectors: USBUse: Mobile PhoneFunction: Bluetooth, Microphone, Noise Cancelling, WaterproofPlace of Origin: Guangdong, China (Mainland)Color: Blue, RedPackage: Color BoxBluetooth Version: V4 ... :M33318.New design earphone bluetooth sport mini bluetooth earphone csr 4.1 bluetooth earphone Stereo eaphone19.Key word:sport stereo bluetooth headset,bluetooth 4.1 M333 ...