BOYA BY-WM4 PRO-K2 Wireless Lavalier Lapel Mic Omnidirectional Microphone System Audio Recording for Canon DSLR Camera

• Digital wireless microphone system(dual transmitters + one 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.
• Standard camera shoe mount and backside clip included, which allows you to mount the transmitter and receiver conveniently.
• 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: 84dB 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: 2 * AAA battery(not included)
Consumption power: Transmitter: 3V/70mA
                   Receiver: 3V/70mA
Transmitter & Receiver Size: 4.5 * 7 * 3.5cm/ 1.8 * 2.8 * 1.4in
Transmitter & Receiver Weight: 47g/ 1.7oz(without battery)

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

Package List:
2 * Transmitter
1 * Receiver
2 * Lapel Microphone
1 * 3.5mm to TRS Audio Output Cable
1 * 3.5mm to TRRS Audio Output Cable
1 * Cold Shoe Mount
1 * Hard Case