BOYA BY-WM4 Mark II Digital Wireless Microphone System

Features:
Wireless microphone system(transmitter + receiver), compatible with smartphones, DSLR cameras, consumer camcorders, PCs, etc.
Adopts 2.4G wireless technology, with strong anti-interference ability and high performance; up to 50m(164ft) operation range(without obstacle).
Omnidirectional lavalier microphone for clear sound recording, suitable for interviews, audio recording, video recording, etc.
With standard camera cold shoe mount and backside clip, you can install it to camera or clip it to your pocket.
Lightweight and compact for easy carrying, and comes with hard case for convenient storage and carry about.

Specifications:
RF Modulation: GFSK (Gauss Frequency Shift Keying)
Frequency band: 2.4G (2405-2478MHz)
Frequency response: 35Hz-14KHz±3dB
Signal/Noise: 80dB or more
Distortion: 0.05% or less (32ohm, 1 KHz, 65 mW output)
FR output level: 3mW
Earphone output level: 32hom, 65mW
Reception sensitivity: -90dB+/- 3dB / 0dB=1V/Pa, 1KHz
Audio input connector: 3.5mm mini jack
Operation range: 50m (164 ft)(without obstacle)
Power requirement: 1 * 1.5V AA battery(not included)
Consumption power: 1.5V/120 mA
Transmitter & Receiver Size: 7 * 4.7 * 2.3cm/ 2.8 * 1.9 * 0.9in
Transmitter & Receiver Weight: 45g/ (without battery)
Package Size: 17 * 11.5 * 5.3cm/ 6.7 * 4.5 * 2.1in
Package Weight: 305g/ 10.8oz

Note:
The smartphones and stabilizers showed in the picture are not included.

Package List:
1 * Transmitter
1 * Receiver
1 * Audio Signal Cable
1 * Lapel Microphone
1 * Cold Shoe Mount
1 * Hard Case
1 * Manual(English)