Boya BY-WM4 Universal Lavalier Wireless Microphone Kit

The BOYA BY-WM4 is a compact wireless microphone with real-time monitor, designed for reliable and trouble-free performance,
And can be used with a Smartphone, Tablet, DSLR camera, Camcorder, Audio recorder, PC and others audio/video devices.

Features:
Clear recording sound
Compatiable with smartphones, DSLR cameras, Consumer Camcorders, PCs etc.
Light and compact for easy carrying
Omnidirectional lavalier microphone
Hard case included
Standard camera shoe mount and clip included
Up to 25m operating range
Power Supplied by two AA batterie (not included)

Specifications:

RF Modulation: GFSK (Gauss frequency Shift Keying)
Frequency band: 2.4GHz (2405-2478MHz)
Frequency response: 35Hz-14KHz±3dB
Signal/Noise: 76dB or more
Distortion: 0.1% or less (32Ω,1 KHz,65mW output)
RF output level:2 mW
Earphone output level: 32Ω,65mW
Reception sensitivity: -85dB +/- 3dB / 0dB=1V/Pa, 1kHz
Audio input connector: 3.5mm mini jack