New Bluetooth Headset Ear-mounted Business Stereo Headset Hands- Sports Headset With Microphone Features: Long battery life, noise reduction Bluetooth compatible headset The built-in150 mAh polymer lithium battery is equipped with Bluetooth compatible Smart 5.2 chip, which reduces power consumption by 70%, and bid farewell to frequent charging troubles. Powerful composite power diaphragm, automatically filter external noise, clear calls with bilateral microphones 180° rotating earpiece, to left and right ears and adjust the angle Go to 0 lay experience, play games with simultaneous audio and video Specifications: 1.Bluetooth version: 5.2 2.Transmission distance: 10 meters without barriers rating: IPX5 3.Bluetooth protocol: HFP/HSP/A2DP/AVRCP 4.Working voltage:3.3V-4.2V 5.Charging voltage:4.8--5.2V/0.5-2A 6.Battery capacity: 150 7.Charging time:1 hours 8.Music Play Time:8 hours of continuous playback 9.Calling Time:8 hours of continuous talk 10.Standby Time:365 days long standby 11.Function keys: button function 12.Microphone type: built-in Mic 13.Comfortable Can be worn on both left and right ears Package: 1x Bluetooth headset 1 x charging line 1 x manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia