Bakeey TWS Wireless Stereo Bass bluetooth Headphones Three Digital Display Sports Waterproof Earphone with Mic

Specification
Type: In-Ear 
Material: ABS 
Application: Aviation,Gaming,Running,Sport,Working 
Color: Black/White
bluetooth chip: Jieli
Connectivity: Wireless 
Frequency response: 24Hz - 24800Hz 
Impedance: 32ohms 
Listening to music time: 3 hours 
Talk time: 3 hours 
Standby time: 100 hours 
Charging time: 1 hour 
bluetooth distance: W/O obstacles 15-20m 
Charging Dock Battery Capacity(mAh): 400mAh 
Single earphone battery capacity(mAh):55mAh