ASiNG WM07 4 x Transmitter + 1 x Receiver Head-mounted Wireless Microphone(Black)

1. Wireless transmission distance up to 50 meters, anti-interference, low distortion.
2. Start automatic code matching, no cross frequency, no garbled; convenient and simple, plug and play.
3. Built-in rechargeable battery, up to 3.5 hours of use, 500 cycles.
4. High-quality steel bracket for comfortable and secure wear.
5. UV paint process, stylish appearance.
6. Continuous working time: about 3.5 hours (transmitter); about 9 hours (receiver).
7. Charging voltage and current: 5V, 1A.
8. Charging time: 2 hours (transmitter); 6 hours (receiver).
9. Frequency range: 740-790MHz.
10. Frequency response: 30Hz-20KHz.
11. Transmitting power: 10 dBm.
12. Signal to noise ratio: >100dB.
13. Distortion: <0.4%.
14. Number of channels: 10. Audio delay: 3ms.
15. Output interface: 6.35mm and 3.5mm.
16. Dimensions: 50.2x60x16mm (transmitter); 160x100x27mm (receiver).
17. Weight: 37g (transmitter with bracket); 491.5g (receiver with antenna).