Features: Bluetooth 5.0 master control chip,support handsfree date connection in 10m. Can talk,listening to music. Built-in DSP audio processing system,can be a very good eliminate Noise and echo,to more→ensure clear communication,and music. Super Mini design earphone hidden in the ear,Small and light,stealth design. Safty battery protection to ensure working time to 5 hours. The headset connect 2 bluetooth devices at the same time,such as Iphone Samsung,Huawei etc Phones,PC,PAD,and other devices Calling,Music,Gaming. Standby Time:about 100-150 hours Spescifications: Headphone Type:Both left and right ears can be used Bluetooth Version:V5.0 + EDR Bluetooth Profiles:Hands free,Headset