・LED digital display real-time power display,let you know the power more intuitively,no need to worry about the power when you go out ・Upgrade Bluetooth-compatible 5.2 technology,faster than the previous generation,lower power consumption,lower game latency ・Smart noise reduction technology brings clear calls and HiFi sound quality ・Waterproof and sweatproof,suitable for sports ・Long standby time,bid farewell to frequent charging ・One headset can be connected to two mobile phones ・With caller number voice prompt function Specification: ・Bluetooth-compatible version:5.2 ・Transmission distance:10 meters ・Battery capacity:300mAh ・Charging voltage:DC 5V ・Support mode:HSP/HFP/A2DP/AVRCP ・Charging time:about 2 hours Package included: ・1 x Bluetooth-compatible Headset ・1 x Charging Cable ・1 x English and Chinese User Manual