Feature: 100% brand new and high quality. Quantity: 1 Bluetooth version: Version 4.0 Frequency: 2.4GHz Sound track: Mono Receiving sensitivity: - 80 DBM Launch range: < = 10 m Talk time: Up to 6 Hours Power source: Built-in Li-ion Battery (USB Charging) Charge time: 2 hoursUsage: Turn on the device Long press Bluetooth Key until red and blue light flash alternately Turn on your Bluetooth mobile phone, search nearby devices and then find the right one to do pairing Successful connection Package Content: 1X Bluetooth Sports Headset 1X USB Cable