Modelh10 input voltage v5v cable lengthcm0 power supply5v compatibility0 materialpu leather plastic silicone typein ear general usemobile phone cellphone functionbluetooth hi fi noise cancelling volume control with microphone communicationwireless bluetooth connectorsusb memory capacitynone plug typemicro usb driver typeelectret sound channel20 bluetooth versionv41 frequency24ghz operating rangem10m battery60ma talk timehours7 standby time hour