WR601 Wireless Amplifier Microphone/Lavalier Microphone For Meeting & Etiquette, Random Light Colors Delivery

Performance parameters: 1. Sensitivity: -52dB 2. Distortion: 0.5% 3. Effective distance: 15m 4. Directivity: single direction 5. Transmitting/receiving frequency: 114MHz-116MHz 6. Frequency range: 111-116MHz 7. Frequency response: 100-13000Hz 8. Modulation method: FM 9. Effective working range: 8-20m 10. Power consumption: 70mA 11. Signal to noise ratio: 60dB 12. Size: about 14x12x3.5 cm 13. Weight: about 0.17 kg Instructions: 1. Open the bottom cover of the transmitter, insert a 9v stacked battery according to the correct polarity, close the bottom cover until it is locked 2. Connect the lavalier microphone to the audio socket of the transmitter 3. Open the bottom cover of the receiver, insert a AA battery with correct polarity, close the bottom cover until it is locked 4. Plug the receiver into the microphone input port of the audio amplifier 5. Turn on the receiver switch 6. Turn on the transmitter switch and the indicator light is on. At this time, the receiver indicator light is