Designed for use with iOS devices and gimbal stabilizers for smartphones like the DJI OM 4 or 5, and transmits signal up to 200 feet at a frequency of 2.4 GHz (GIMBAL NOT INCLUDED). Dual channel select offers mono and stereo modes, as well as options for volume control, gain adjustment, and headphone monitoring. Wireless receiver features Lightning jack that plugs directly into your recording device or smartphone. 2x Lavalier Microphone, 2x Wireless Transmitter w/ Belt Clip, Wireless Receiver w/ Lightning Connector, and Hard Case.