Headphone Driver 53mm Max. Input Power 40mw Sensitivity at 1kHz 100±3dB Impedance at 1kHz 32Ώ±15% Frequency Response 20Hz - 20kHz
Microphone Driver 9.7mm Mic Type Cardioid Cancellation Mic. Sensitivity at 1kHz -47±3dB Mic. Frequency Response 100Hz - 10kHz Inline Driver 4mm Inline Mic Type Omnidirectional
Electricity Sound Modes Stereo Wireless Frequency 2.4GHz Wireless Range 10 Meters* Battery Up to 20 Hours** Charging Time 2.5 Hours Charging Voltage/Ampere 5V / 2A Adaptor