Bluetooth: BT5.0 +apt-X
Working Range: More than 10 meters on open space
Input Sensitivity : 104 dB SPL/mW
Frequency response :20Hz-20000Hz
Impedance:10Ω
Drivers: 1 micro balanced armature
Talking Time: More than 4 hours
Charging Time: About 1.5 hours
Noise Reduction: 26dB
Charging: USB 2.0