Boya BY-WM3T2-D1 2.4GHz wireless microphone system for Lightning consist of one transmitter and one receiver. The system supports live broadcasting and phone charging simultaneously.

• 2.4GHz wireless microphone system
• Ultracompact and portable
• Compatible with  Apple iOS devices
• Omnidirection built-in mic for 360 degrees sound pickup
• Selectable noise cancellation

BY-WM3T2 series is a mini 2.4GHz wireless microphone system that provides high-quality sound for live streaming, vlogging, course recording, and other audio capturing app lications.With an MFi Certified Lightning output, the BY-WM3T2-D1 is designed for Apple iOS devices, and it comes with 1 transmitter and 1 receiver.
 
BY-WM3T2 series is impossibly compact and lightweight, and it's easy to get started as long as you plug the receiver into the device. The combined weight of the TX and RX is no more than 15g, making them very portable. Because of its ultra-compact size and super lightweight, the transmitter won't tug at your collar when you clip it.
 
When the BY-WM3T2 receiver is plugged into a smartphone, the phone can be charged via Type-C charging port on the receiver. It ensures your uninterrupted work for a long time, such as live streaming. Besides, the built-in rechargeable battery of the transmitter provides up to 10 hours of run time, which helps you get a full day of audio recording. 
 
Smart noise cancellation technology can effectively identify the original sound and can record clear sound in a noisy environment. By clicking the power button twice, you can activate the noise cancellation feature. When the indicator blinks blue slowly, it's in the noise cancellation mode, which helps you remove ambient noise and give you a clear sound. This feature is designed for outdoor use, suppressing the sound of cars and crowds. Designed to greatly enhance sound quality, the BY-WM3T2 delivers truly exceptional audio performance to your productions.
Specifications
Transmission Type:     2.4GHz
Polar Pattern:     Omnidirectional
Frequency Response:     20Hz-16kHz
SNR:     77 dB
Sensitivity:     -42 dB
Sampling Rate:     48kHz
Bit Depth:     16bit
Transmission Range:     50m(without obstacle)
RF Output Power:     6dbm
TX's Battery Life:     10 hours
Battery Capacity:     95mAh
Charging Port:     USB-C
Dimensions:     TX:52×17.5×16.1 mm
RXU/RXD: 46×26.2x10mm
Weight:     TX: 8.5g
RXU/RXD: 5g