This is the RODE Wireless GO II, a dual-channel wireless microphone system from RODE. Selling price: Around 45,000 yen One receiver can receive audio from two wireless microphones. It's perfect for streaming and video recording. The set includes: Two microphones (transmitters), One receiver, Three charging cables, Three wind shields, One 3.5mm stereo mini cable, and a pouch. The original box is not included. I've used it twice outdoors and once in the studio, but I mostly use professional wireless microphones for my work, so I don't have much opportunity to use this, and that's why I'm selling it. Please check the photos for details. Here are the specifications from the manufacturer: Main Specifications Transmission frequency: 2.4GHz Transmission distance: Approximately 200m (line of sight) *May vary depending on the environment. Operating time: Up to 7 hours Kit contents: RX (receiver), TX (transmitter) x2, SC20 x3, SC5, Fur wind shield x3, Pouch