Description
Bluetooth version: 4.1
Effective distance: 10m
Resistance: 6ohm
Sensitivity: 110+/-3dB
Working voltage: 3.7V
Charging voltage: 5V
Loudspeaker resistance: 32+/-15% Ohm
Frequency area: 50-10kHz
Battery: 55mAh
Color: Black,Silver

Specification
Accesory type     Bluetooth headphones
Battery life     5 hours talking time
Color     White Black
Compatibility     Universal
Design     In ear
Working range     10 m
Microphone     Yes
Connecting     Single point
Bluetooth Version     4.1