Wireless microphone

Hi Help26mic, 

Thank you for using the Apple Support Communities. 

If you’re interested in purchasing a external microphone or earphones with a built in microphone, then check out the ones that are available from the Apple Online Store below:

Microphones - iPad Pro 12.9-inch (1st generation) - iPad Pro 12.9-inch (2nd generation) - iPad Pro 12.9-inch (3rd generation) - Creativity - All Accessories - Apple

iPad Pro 12.9-inch (5th generation) - iPad Pro 12.9-inch (1st generation) - iPad Pro 12.9-inch (2nd generation) - iPad Pro 12.9-inch (4th generation) - iPad Pro 12.9-inch (3rd generation) - Wireless - Headphones & Speakers - iPad Accessories - Apple

Cheers!