Bluetooth version: 5.2+EDR Distance: 10 meters
Talk time: about 15 hours
Listening time: about 15 hours
Headphone battery: 75MAH
WIRELESS FREQUENCY: 2.4GHZ
Transmission distance: 10 meters
Charging voltage/current: 5V/1A
Charging time: about 1 hour
Standby time: 120 hours
Working temperature: -10-50°C