Bluetooth Version: V4.2
Driver UnitΦ40mm
Impedance: 32Ω
Sensitivity: 105 ±3dB
Materials:ABS
Frequency Response20Hz-20kHz
Receiver Distance: Up to 10 meters
Talk Time:Up to 5 hours
Playing Time: 3-4 hours
Charging Time:2 hours
ChargingUSB 2.0
Support: TF/Micro-SD card
Battery:Rechargeble Lithium-battery
Features:Bluetooth, Calling, TF, AUX, USB
Clours:Black, Gray