?Bluetooth headset Get your voice across clearlyWireless bluetooth headset adopts HD dual microphone and CVC 8.0 noise reduction technology, which makes the sound clearer and the connection more stable.?Product design conforms to human structureOur earphones are designed according to the contours of the human ears, so that you won’t feel discomfort in your ears even if you wear them for a long time. Let you not miss every important call and message.?SpecificationDistance: 10 metersTalk time: about 5 hoursListening time: about 5 hoursHeadphone battery: 75MAHWireless frequency: 2.4GHZSupport protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3Transmission distance: 10 metersCharging voltage/current: 5V/1ACharging time: about 1 hourStandby time: 180 hours?How to pair?long press the power button for about 8 seconds, until the indicator light flashes blue and red alternatelyNote: The blue light is the model that cannot be searched(For details, please refer to the product manual)