Bluetooth Version: V4.2+EDR
Driver Unit:Φ40mm
Impedance: 32Ω
Sensitivity: 105 ±3dB
Receiver Distance: Up to 10 meters
Working Time:Up to 4-5 hours
Charging Time:2 hours
Support: TF/Micro-SD card
Battery:Inbuilt Rechargeble Lithium-battery(3.7V/300mAh)
Colour: Black-blue, Black-red, White-blue, White-red, White-green,White-orange
Bluetooth Series