Designed for videographers on a limited budget and video hobbyists, BY-WM4 PRO system is a new generation 2.4 GHz wireless microphone,dual-Channel for capturing audio with dual subjects to your smartphones, tablets, DSLR cameras, consumer camcorders, PCs etc. It’s a compact and extraordinarily easy-to-use wireless microphone system for recording crisp and clear speech, and interviews.Omnidirectional lavalier mic included is suitable for performers who which to exhibit freedom of movement in their visual recordings.Additionally, the system offers a up to 60m (197ft) line-of-sight operation range.