The BOYA BY-UM4 3.5mm Mini Gooseneck Microphone for Smartphones and Laptops is designed to create improved sound quality over the normal built-in microphones. The Boya BY-UM4 plugs directly into the headphone jack of any Android or iOS device, then no cables or batteries are needed as the microphone uses power from the device.
The BOYA BY-UM4 3.5mm Mini Gooseneck Microphone for Smartphones and Laptops can rotate 360 allowing the user to position the mic just right for optimal audio capture.