This dual wireless lavalier microphone set comes with 2 transmitters and 1 receiver, perfect for video recording of 2 people talking and interviewing. Just plug and play directly, APP and Bluetooth are not required. (You can also use one microphone and receiver set) Omnidirectional microphone with noise reduction: With intelligent technology chip, the omnidirectional condenser lavalier microphones pick up sound from all angles and offer stable full-band 48KHz CD quality. It is built with a sponge windscreen to reduce wind noise and plosives, AI algorithm intelligent noise reduction module can accurately filter all types of noise and has strong anti-interference ability. Ideal for Youtube / Vlog video recording, Facebook / TikTok Live Stream, Interview, virtual conference, etc. Our wireless lavalier microphone works with iPhone, iPad Air series, iPad Pro series (NOTE: Does not support iPads with type-c port) Only supports IOS system version 13 to 15.2, please upgrade your phone system if the wireless microphone does not work properly. The Bluetooth microphone for iphone/android is small Compact size Easily attach to your shirt or tie.