about this item:

BOYA BY-WM3T2-D1 Digital True-Wireless Microphone System with Lightning Connector for iOS Mobile Devices (2.4 GHz)

the Boya BY-WM3T2-D1 is an easy-to-use, true-wireless, digital microphone system designed to capture clear, intelligible speech to an iOS smartphone or tablet equipped with a Lightning port.

• For Video, Vlogging, YouTube, Instagram:
• Plug-In Receiver for iOS Phones/Tablets:
• Noise-Cancelling Function:
• USB Port on Receiver to Charge Devices:
• Miniature Transmitter with Built-In Mic:
• Dual-Channel Receiver:
• 10 Hours on Rechargeable Battery:
• 164' Range: