Bluetooth version: 3.0
Frequency:2.402 to 2.480 GHz.
The maximum output power: 5 w *2
MIC sensitivity: - 42 db.
Receiving sensitivity: Better than + 82 DBM.
Distance: 10 meters.
The data transmission: Up to 3 MBPS
UART data rate: 115200 BPS
Charging voltage: 4.8 V - 5.5 V DC.
Working voltage: 3.7 V to 4.2 V DC.
The working current: 400 ma.
Static electricity: > 1 ua.
Battery capacity: 1200 mah.
Color:black,silver,red.blue,orange.yellow
Photo detail: