BOYA BY-WM4 Smartphone Wireless Microphone for iPhone X 8 7 6 Plus Xiaomi Oneplus 5 Youtube Interview Phone Video Recording Mic

BOYA BY WM4 font b Smartphone b font Wireless Microphone for iPhone X 8 7 6
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BOYA BY WM4 Smartphone Wireless Microphone for iPhone X 8 7 6 Plus Xiaomi Oneplus 5
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Availability: in stock
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Price:  US $82.29 / piece
Sale price:  US $69.95 / piece

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Guarantees: On-time Delivery 60 days


BOYA BY-WM4 Smartphone Wireless Microphone for iPhone X 8 7 6 Plus Xiaomi Oneplus Youtube Interview Video Recording Lavalier Mic​ ​​ Introduction

  • 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.


  • 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 capture 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.


  • 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


  • Compatible with smartphones, DSLR cameras, Consumer Camcorders, PCs etc.

  • ​Kindly note: please make sure that your phone have trrs cable adapter if your smartphone have no TRRS audio input.


  • Transmitter

  • Receiver

  • Lavalier/Lapel Microphone

  • 3.5mm to TRS audio output cable

  • 3.5mm to TRRS audio output cable

  • Cold-shoe mount

  • Hard case

  • User Guide

  • Manufactory Original Package

  • 1 * Mini Flexible Tripod (Free Gift)

USD 6.95/piece

​Note: please purchase from so that you can get original genuine product.

Picture Frequently Asked Question

  • About custom tax?

We can declare lower price on the package to reduce the risk of paying tax,but not make sure if you need to pay tax or not, custom tax not included in price.

  • When will ship my order? How long can I receive order?

About 2 work days. It takes 20-40 days to arrive by standard shipping. If you can’t receive the package within 60 days(90 days for Brazil), we will help to check the package status.

  • Can I get coupon as a regular customer?

Of course! If you statisfied with our products, give us 5-star review,and share in your VK, Facebook,Twitter,Youtube etc.pls, we will send you coupon or discount then.

  • How can I deal with damaged parcel due to logistic trouble?

Please do not sign up the damaged parcel and tell us first, we will contact the carrier to solve.

  • What should I do if I dissatisfied with the goods?

Once you received the case, no matter what problem you have,please feel free to contact with us.Pls, don’t give us a negative feedback without any communication. We will try our best to solve your problem until you are satisfied, and offer best service for every friend on Aliexpress.

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Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).
Price:  US $82.29 / piece
Sale Price:  US $69.95 / piece
from AliExpress
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