Specification:

Version: 5.1

Waiting time: 120 hours

Music time: 8 hours

Talk time: 6 hours

Charging time: 1 hour

Frequency range: 2.402ghz-2.480ghz

Transmission distance: up to 33 feet/10 meters

Cable length: 23.6 inches

Battery capacity: 120mah

Packing list:

1*Wireless earphone

1*USB charging cable

1* User Manual