TWS M10 Bluetooth 5.1 Wireless Headphones, Charging Box

Bluetooth version: 5.1
Protocol: HFP 1.7/ HSP1.2/ A2DP 1/ AVRCP 1.6/ SPP1.2/ PBAP1.0
Noise reduction version: CVC8.0
Frequency range: 2.402GHZ ~ 2.480GHZ
Working distance: 10m
Voltage and charge input current: 5V above 600mA
Headphone battery capacity: 50mAh
Battery capacity of the charging compartment: 2200mAh
Helmet charging time 2 hours
Music playback time: 4-6hours
Conversation time: 4-6hours