SX39 For iPhone Lavalier Wireless Noise Reduction Microphone with Dual Transmitter + Receiver, For iPhone

1. Equipped with digital and analog outputs, compatible with iPhone and multi-functional 3.5mm interface
2. Automatic noise reduction, reverberation, monitoring, external playback, and mute functions
3. Wireless pairing, automatic connection after power on, easy to operate
4. Compatible with various devices such as smartphones, computers, tablets, speakers, amplifiers, cameras, etc.

Specifications:
1. Microphone head: digital microphone
2. Input voltage: 5V
3. Microphone battery: 200mAh
4. Receiver battery: 200mAh
5. Battery life: 12H
6. Signal-to-noise ratio: 64DBM
7. Transmission delay: 30MS
8. Sensitivity:-42dB
9. Frequency response: 20-20KHZ
10. Transmission distance: up to 15M without obstacles