Fangrui Product Details 1. Puluz Wireless Lavalier Microphone For Iphone Ipad, 8-pin Receiver And Dual Microphones (black) 2. Features 3. Wireless Pickup Microphone 2.4g: Wireless Connection, Can Provide Up To 48k High-fidelity Recording 4. Low Latency: No Sense Of Delay Recording 5. Enc Is Enabled By Default: Excellent Noise Reduction Performance, Easy To Record In Noisy Environments Without Noise Interference 6. Bt Mode: In Bt Mode, It Can Be Used For Karaoke, Adding Background Sound During Recording, Etc. 7. Dodging Function: When Connected To Bt To Play Music, Turning On The Function Recording Can Automatically Suppress Background Bluetooth Music 8. Reverb Function: Turn On The Reverb To Make The Sound More Infectious 9. Battery Life: 300mah High-capacity Battery, Continuous Recording For 12 Hours At A Time. 10. Specifications 11. Product Type: Lavalier Wireless Microphone 12. Channel System: Dual Microphone One Receiver 13. Control Method: Button 14. Active And Passive: Active 15. 2.4g Solution: Jerry Ad6976m4 16. Working System: Gfsk 17. Working Frequency: 2.4g-2.4835ghz 18. Radio Sensitivity: -38db Effective Distance: Greater Than Or Equal To 10 Meters 19. Transmitter Shutdown Power Consumption: 2ua 20. Transmitter Power Consumption (video Mode): 25ma 21. Transmitter Power Consumption (bluetooth Mode): 30-40ma 22. Receiver Power Consumption: 16ma 23. Receiver Charging Current For Mobile Phone: 1000ma 24. Microphone Signal-to-noise Ratio: Greater Than Or Equal To 65db 25. Frequency Response: 20hz-20khz 26. Monitoring: One-way Monitoring 27. Microphone: Electret 28. Battery: 300mah 29. Talk Time: More Than 10 Hours 30. Standby Time: (off State): 6 Months 31. Charging Input Standard: Dc-5vmax 200+-10ma 32. Charging Time: 1.5-2 Hours