DESCRIPTIONHigh Quality Magnetic Wireless Bluetooth Stereo HeadsetCompatible with most Smartphones and TabletsFaster 4.1 Bluetooth, which creates strong and stable signal strengthComfortable to wear, easy to take offSupport for most device with Bluetooth, mobile, tablet, desktop.SpecificationsBluetooth Version: 4.1Bluetooth protocol: A2DP AVRCP HFP HSPBattery: 3.7V 60mAhCharging power: 5V/80mAhSensitivity: 103db +/- 3dBImpedance: 32MwTransmission distance: 10m without barrierFrequency: 2.4GHZTalk time: about 4 hoursListening time: about 5 hoursStandby time: about 160 hoursProduct weight: 18gFunction descriptionPlay music, switch music up and down,Volume adjustment, Chinese and English voice switching,Incoming call voice reporting functionLast number redialOperation voice prompt function,IOS system displays power,Support, car navigation, voice and other softwareSystem StatusPower on and off: long press the power button for 3 secondsEnter pairing: Long press the power button for 5 seconds to enter the pairing stateVolume up and down: short press the volume up button to adjust the volume up, short press the volume down button to adjust the volume downSwitch between Chinese and English: double-click the power button in the pairing statePlay pause: short press the power buttonPrevious song: VolumePress the button for 2 secondsNext song: Volume + key press for 2 secondsAnswer the call: Short press the power buttonReject a call: long press the power button when a call comes inLast number replay: double-click the power button; then short press the power button to cancel the callColour: Black / RedPackage Included1 x Magnet Wireless Bluetooth Earphone1 x Charge Cable1 x User ManualPLEASE NOTEImages used for illustration purpose onlyDesign may slightly vary depending on stock