Product information:

Bluetooth version: V5. 1 EDR
Wireless frequency: 2.4GHZ
Support agreement: AVRCP V1.6. A2DP V1.3. HFP V1.7 Simultaneous LE and BR L EDR
Transmission distance: 10 meters
Battery capacity: 60mah
Charging voltage/current: 5V/1A
Play/talk time: about 6 hours
Charging time: 1.5 hours
Standby time: 192 hours
Speaker impedance: medium 10m 322
Microphone sensitivity: -42dB
Working temperature: -10-50C
Charging bin parameters
Input voltage/current: 5V/1A
Rechargeable battery: 500mah

Packing list :

Wireless headset*1

Charging compartment*1

USB*1