Frequency response: 80Hz~16KHz;
Microphone input impedance: 1K¦¸;
Sensitivity: -46 dBV/Pa;
Maximum SPL: 100dB (THD>3%);
Signal-to-noise ratio: >80dB(A);
Crosstalk: >70dB;
Dynamic Range: >80dB;
THD: <0.1%; Maximum power consumption: 4 W; Headphone load: >16¦¸;
Headphone volume: max 40mW;
Headphone jack: 3.5mm mono jack;
Follow the specification: IEC60914;
Power supply mode: battery powered, charging port direct power supply;
Display: 2-inch color screen;
Installation: desktop;
Wireless frequency range: 5GHz.
Two 1.5V batteries are standard, with a battery capacity of 1200mAh and can last for 10 hours of speaking or 12 hours continuously