1 for 1 6.35mm Interface Wireless Head-Mounted Condenser Microphone Anti-Howling Loudspeaker 1. Audio signal: digital sampling 16bit-16kHz 2. Frequency response: 100Hz-15KHz 3. Modulation method: GFSK 4. Transmission power consumption: 15mA 5. Receiving power consumption: 10mA 6. Power supply mode: built-in rechargeable lithium battery 120mAh 7. 3D stage reverberation effects, press +- volume keys at the same time to open, intelligently beautify human voice 8. High-sensitivity pickup head, fidelity sound quality, restore human voice 9. Compatible with 3.5mm6.35mm, audiopower amplifieramplification equipment with MIC jack 10. Large-capacity 120mAh lithium battery with 6-8 hours long battery life 11. The sound quality is clear, and the noise suppression technology is used to deal with howling feedback 12. After 45 minutes of no operation, the microphone will automatically shut down to save power 13. 50 meters super long receiving distance, stable signal, strong anti-interference 14. Weight: about 35 grams