1. High-fidelity restore sound quality.
2. Cardioid orientation radio reception???to reduce noise efficiently.
3. Wireless digital transmission, adopt high-frequency XDriver, provides stable signal.
4. Compatible with major mainstream smart TV brands.
5. Powered by 2 x AA batteries (not included).

Parameter:
1. Working current: 110mA+/-20mA
2. Frequency range: 611.5-640MHz, 10-points adjustable frequency
3. Frequency stability: 10PPM
4. Modulation method: DQPSK digital modulation
5. Frequency response range: 50Hz-15KHz
6. SNR: >=80dB
7. Distortion: <=1%
8. Transmitter power: 6dB+/-2dB
9. Transmission distance: <=10m

Packing list:
- 2 x Microphone
- 2 x 3.5mm to 3.5mm audio cable
- 1 x Mixer
- 1 x 3.5mm to lotus head cable
- 1 x Type-C cable
- 1 x Manual