Saramonic Blink 500 B2+ 2-Person Wireless Clip-On Microphone System for Cameras and Mobile Devices (2.4 GHz) flashes the 100mm-ball tiedown stud is

the 100mm-ball tiedown stud is removable to convert the head to a flat base for use on a slider or other support device

Dust & Splash-Resistant Design

The compact transmitter is designed with internal antennas and connects to your camera using USB or HDMI tethering

thanks to the VPG-400 spec

Saramonic Blink 500 B2+ 2-Person Wireless Clip-On Microphone System for Cameras and Mobile Devices (2.4 GHz) flashes the 100mm-ball tiedown stud isKey Features Influencers, Content Creators, YouTubers 2 x Clip On Transmitters with Omni Mics Ultracompact 2 Channel Plug In Receiver 3. 5mm Output, Lightning & USB Adapters Plug & Play Operation, Headphone Jack Adjustable Gain, Active Noise Cancelling Built In Rechargeable Batteries Receiver 16 Hours, Transmitters 20 Hours Charging Case for 41. 6 Hours of Power 492' Range, Full Set of Accessories Bring hands free and hassle free wireless audio to