BOYA BY-WM4 Wireless Lavalier Lapel Microphone

Product Description : 

BOYA BY-WM4 wireless microphone kit includes omnidirectional lavalier mic + transmitter + receiver + windscreen + hard carrying case. With wide frequency, high sound sensitivity, it is designed for reliable and trouble-free performance. It can work with smartphone, tablet, DSLR camera, audio recorder, PC & others audio/video devices. Support real-time monitor. 

Features : 
2.4GHz wireless microphone system, effective distance 25m/80ft. 
35Hz - 14KHz wide frequency response, no worry of the interference from local radio stations and static. 
76dB signal/noise for low environmental noise; -85dB high receiver sensitivity can murmur clearly. 
An Omnidirectional lavalier microphone with windscreen and clip; With 3.5mm earphone jack, support real-time monitor. 
Comes with TRS cable for camera/camcorder/audio recorder & alike; TRRS cable for mac/tablet/smartphone. 
With 360°rotary clip, comes with a cold shoe connector, mount it to belt/camera easily. 
Powered by 1pcs 1.5V AA battery. (Not included.) 
Include a hard case; lightweight and portable. 
Ideal helper for figure interview & video sound recording. 

Specifications : 
Brand: BOYA 
Model: BY-WM4 
RF Modulation: GFSK(Gauss frequency shift keying) 
Frequency Band: 2.4GHz (2405 - 2478MHz) 
Frequency Response: 35Hz - 14KHz (+/-3dB) 
Signal/Noise: 76dB 
Distortion: 0.1% or less (32Ω, 1KHz, 65mW output) 
RF Output Level: 2mW 
Earphone Output Level: 32Ω， 65mW 
Receiver Sensitivity: -85dB +/-3dB/0dB = 1V/Pa, 1kHz 
Audio Input Connector: 3.5mm Mini Jack 
Operation Range: 25m / 80ft 
Power Requirement: - Transmitter: 1.5V/120mA 
                   - Receiver : 1.5V/120mA 
Battery Requirement: 1pcs 1.5V AA Battery (Not included.) 
Battery Life: - Transmitter: Approx. 3hrs 
              - Receiver: Approx. 3hrs 
Receiver/Transmitter Size: 6.9 * 4.4 * 2.2cm / 2.7 * 1.7 * 0.9" 
Receiver/Transmitter Weight: 49g / 1.7oz 
Package Size: 16.5 * 11.4 * 5.3cm / 6.5 * 4.5 * 2.1"   
Package Weight: 296.5g / 10.5oz 

Package List :
1 * Lavalier/Lapel Mic 
1 * Transmitter 
1 * Receiver 
2 * Cable 
1 * Adapter 
1 * Windscreen 
1 * Clip 
1 * User Manual(English) 
1 * Carry Case