Features:
1. With one-key automatic search for idle frequency points, one-key lock screen function
2. Using 30-level electronic volume control, simple collocation
3. The sound quality is clear and beautiful, the ideal use distance is 100 meters
4. 200-level optional frequency point, universal hand microphone, strong anti-interference ability
5. Transmit LED to display channel and battery level
6. Suitable for families, small stages, small conference halls, KTV rooms, etc.

System indicators:
| Frequency range | 600MHZ-700MHZ |
| Frequency stability | ±10ppm |
| Dynamic range | 100dB(A) |
| Comprehensive signal-to-noise ratio | ≥103dB |
| Comprehensive frequency response range | 40HZ-18KHZ (3dB) |
| Comprehensive distortion | ≤0.3% |
| Number of channels | 2x100 |
| Channel spacing | 250KHZ |
| Operating distance | about 100 - 150 meters (open working environment) |
| Receiving sensitivity | -103dBm --- -90dBm |
| Receiving antenna interface | BNC (50Ω) |
| Receive audio output | balanced output and mixed output |
| Receiver power supply | 8V1500mA |
| Transmission modulation mode | FM modulation (maximum ±75KHZ) |
| Transmitting power | ≤20mW |
| Emission harmonic suppression | 60dB |
| Transmitting antenna | built-in or external 1/4 wavelength antenna |
| Transmitter power supply | 2 x 1.5V (AA) batteries (continuity time 4-10 hours |


