Bluetooth Version: V4.2
Impedance: 32Ω 
Receiver Distance: Up to 20 meters 
Music Time: Up to 6 hours 
Talk Time: Up to 6 hours 
Frequency Response: 20Hz-20kHz 
Rechargeble Lithium-battery(3.7V/180mAh)
Sensitivity Microphone, Volume control, Switch Songs
Charging: Micro-USB
Colours: Black red, Blue, Red