Newest design mono and stereo earbud with power bank charging

Bluetooth Mode：Bluetooth/ Headset/ A2DP
Radio Frequency：2.402-2.480GHz
Transmission Level：Class 2
Support A2DP：Music play(audio output:35mW,Play/Pause)
Multi-point connections can connect two devices at the same time
Work Range：10 meters

Charging System：AC input 110V-220V DC Output:5V(charging time 2-3 hours). Charging Vottage 3.7V
Talk Time：10 hours(Music play time 10 hours
Automatic prompt this Bluetooth headset has automatic voice prompt function when there is a call and will automatically speak the mobile phone number
Wearing style：In-ear, invisible patent product
Battery type：400mAh rechargeable polymer battery (ok to charging for earbud 3 times)