Warranty Period: 1 Year Warranty

Warranty Type: Supplier Warranty

Bluetooth: No

Input Type: 3.5 mm plug

Microphone: Microphone Present

Volume Control: Volume Control Present

Product Description
BOYA BY-WM4 Pro K1 Portable 2.4G Wireless Microphone System(One Transmitters+One Receiver) for DSLR Camera phone Audio Record

Features:
Digital wireless microphone system(one 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:
1 * Transmitter
1 * Receiver
1 * 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

BOYA BY-WM4 PRO-K2
Key Features
For 2-Person Videos, Interviews, YouTube
2 x Omni Lavalier Mics
2 x Bodypack Transmitters
Compact Dual-Channel Receiver

Easy-to-Use System with Two Lavalier Mics & Two Bodypack Transmitters
The clip-on lavalier microphones feature omnidirectional pickup patterns that help to deliver consistent audio levels even when the subject turns away form the mic.
The mics plug into the lightweight bodypack transmitters, which run on two AAA batteries.
An LED indicator on the unit shows power and low-battery level.
Simply power On the receiver and transmitter to access reliable, two channel wireless audio functionality in an instant.