"Product details of TWS M10 Earbuds Bluetooth 5.1 Earphones 3500mAh Charging Box Wireless Stereo Headphones Sports Waterproof Earbuds Headsets With Microphone

Working voltage:3.1V-4,2V
Charging voltage:5V-1A
Battery capacity of the headset: 50MAH
Battery capacity of the storage box:3500MAH
Transmission distance:
10M
Call time:5 to 6h
Play time:5 to 6h
Waterprof :IPX7
Charging time of headset:1 h"