New Bluetooth Headset Ear-mounted Business Stereo Headset Hands-free Sports Headset with Microphone Features: Long battery life, noise reduction Bluetooth compatible headset The built-in 350 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, free to switch left and right ears and adjust the angle Go to 0 delay silky experience, play games with simultaneous audio and video Specifications: 1.Bluetooth version: 5.2 2.Transmission distance: 10 meters without barriers 3.Bluetooth protocol: HFP/HSP/A2DP/AVRCP 4.Operating temperature: -10-50 ℃ 5.Charging voltage: 5V/1A 6.Battery capacity: 350 mA 7.Charging time:2 hours 8.Music Play Time:8 hours of continuous playback 9.Calling Time:8 hours of continuous talk 10.Standby Time: 360 hour 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 Bluetooth Headset Phone Case&Phone Holder Smart watch Good Quality,Attractive Appearance,Today Deal 【100% MONEY BACK +ONE YEAR WARRANTY】Customers love us and our ONE YEAR WARRANTY:Any problem with your product we will refund or replace. Purchase with no risk!