Item: smart answering bluetooth headset
Bluetooth version: V4.1+EDR
Transmitting power: CLASS2
Working frequency: 2.402GHZ—2.480GHZ
Charging voltage: 4.8V-5.2V
Distance: 10m
Color: Silver/Gold
Item: smart answering bluetooth headset
Bluetooth version: V4.1+EDR
Transmitting power: CLASS2
Working frequency: 2.402GHZ—2.480GHZ
Charging voltage: 4.8V-5.2V
Distance: 10m
Color: Silver/Gold