Pairing for the first timelong press the boot key for 6 seconds,activate Bluetooth-compatible matching mode,LED flashA red light/blue light flashing light in dicales amatching stateP13 to connect to the phone Bluetooth.Button function: long press to power on, long press to turn off, click music pause / play / call answer / hang up phone

Bluetooth version: Upgrade the V5.1 Bluetooth-compatible ChipColour: Red Blue Yellow BlackMaterial: ABSBattery Capacity:Polymer Lithium Battery 140 MahTalk/Listening to music time: 6-20 Hours(Answer/Hang Up) (Pause/Play)Talk time: 6-20Hours (Answer/Hang Up)Standby time: about 240 HoursCharging time: 1 hourSize: 6.8x3.8x2.6cm

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