Wireless bluetooth headset

Product type: Bluetooth headset
Model: R10
Bluetooth version: 5.0
Transmission distance: 10-20 meters
Playing time: ~30 hours
Charging time: ~8 hours
Working voltage: 3.0~4.2V
Charging voltage: 5V/1A
Support protocol: A2DP/HFP/HSP/AVRCP
Available colors: black