Bluetooth headset 1,fashion design and 2,easy for your talking in busy. 3,Superior quality ,good voice Bolt mono bluetoothheadsetBluetooth chipset: ISSC 1632-218Charge Plug: 5000 timesBasic SpecificationSize: 34.4x17.3x8.3 (mm)Weight: 6.1g (bare metal)Charging port: DC2.0Keys: Multifunction keyBattery Specifications: 3.7V/50 ~ 55mAhCharge Input Specifications: 5V/200MACharging Indicator: Red LED ...