PULUZ Wireless Lavalier Microphone for iPhone iPad, 8-Pin Receiver and Dual Microphones (Black) Features 1. Wireless pickup microphone 2.4G: wireless connection, provides up to 48K high-fidelity recording 2. Low latency: near-zero delay for real-time recording 3. ENC noise reduction: built-in noise cancellation for clear audio in noisy environments 4. BT mode: supports Bluetooth connectivity for use with music playback and other applications 5. Audio ducking function: automatically lowers Bluetooth audio when speaking 6. Reverb function: adds vocal reverb effect for enhanced sound quality 7. Battery life: 300mAh battery supports up to 12 hours of continuous recording Specifications 1. Product Type: Lavalier Wireless Microphone 2. Channel system: Dual Microphone with One Receiver 3. Control method: Button controls 4. Active and passive: Active 5. 2.4G solution: Jerry AD6976M4 6. Working system: GFSK 7. Working frequency: 2.4G-2.4835GHz 8. Radio sensitivity: -38dB, effective distance: 10 meters 9. Transmitter shutdown power consumption: 2A 10. Transmitter power consumption (video mode): 25mA 11. Transmitter power consumption (Bluetooth mode): 30-40mA 12. Receiver power consumption: 16mA 13. Receiver charging current for mobile phone: 1000mA 14. Microphone signal-to-noise ratio: 65dB 15. Frequency response: 20Hz-20kHz 16. Monitoring: One-way monitoring 17. Microphone type: Electret 18. Battery: 300mAh 19. Talk time: More than 10 hours 20. Standby time (off state): 6 months 21. Charging input standard: DC-5V MAX 20010mA 22. Charging time: 1.5-2 hours