The Ulanzi WM-10 is a tiny, lightweight, clip-on wireless lavalier microphone that uses the latest Bluetooth technology to clearly record your voice to your iOS or Android smartphone. It is an easy-to-use, cable-free microphone system that offers YouTubers, vloggers, Instagrammers, Zoom-meeting participants, and fast-content creators a cost-effective, hands-free solution for better-sounding videos. Features include RF interference protection, high signal to noise ratio, high SPL, and windscreen.