Saramonic UWMIC18TH SP-RX11 by Millionhead is a wireless receiver and 2 C-CH for creating a mobile video.

UWMIC1T SP-RX11 UHF Wireless Receiver and Two-Channel Audio Mixer

SP-RX11 It is a wireless receiver and a two -channel mixer, compact, perfect for creating videos with mobile devices and iOS cameras or Android. It can be used when pairing with a signal in the UWMIC9 system to capture the sound. At the same time, it is an independent audio mixer with three inputs. With the Li-ON batteries, the receiver can be driven by the DC power through the USB Type-C connector. It comes with aluminum handles for recording while moving or can be installed on a tripod for use. With The standard shoes at the top of the receiver is suitable for installing accessories. Mobile Devices and Cameras. It can be Used When Paiid With Transmitters in Uwmic9 System to Capture Audio. MEANWHILE, IT is an independent av Receiver Can Be ALSO POWERED BY DC Power Via The USB Type-C Connector. It Coms with an Aluminum Handgrip for Recording on the Move, Or IT Can Be Mountment On A Tripod for Stationary USE. The Standard Shoe. Is Suitable for Attach Accessories. Check
The body is all metal.