Thank you for viewing! I'm selling this because I bought it about two years ago but only used it about 10 times and it's been sitting unused. Charging and operation have been confirmed. I think it's in pretty good condition. It can charge three devices simultaneously (USB-A), has good battery life, and is lightweight, making it suitable for carrying around. Includes a dedicated case, two pin microphones, windscreens, and connection terminals for smartphones and digital cameras. 【Product Overview】 The sound quality is very good, and it can be used not only with mirrorless cameras but also with iPhones and Android devices. • When taken out of the case, the transmitter and receiver automatically pair. It's a wireless microphone that can be used immediately. • It has a noise-canceling function. (The button with the wave-like mark on the right side of the transmitter.) • You can record in stereo, split between left and right channels, mono, and backup (recording one channel with reduced volume) variations. • You can connect to a camera or smartphone via a 3.5mm jack, or connect directly to a smartphone via USB-C for sound pickup! • Transmission and reception are also very stable. It's very useful for hobby use, as well as when recording talks. • When shooting interviews, the sound is clearly different compared to the sound recorded with a microphone placed on the camera from a distance. Please refer to the manufacturer's page for details. 【Product Condition】 • The pin microphones are unused. (Sound can be collected with the main unit alone) • Two people can use it simultaneously. (I filmed a discussion-style video) • There are no major scratches, but there may be some signs of use. • The protective film on the main unit has been removed. • All included items are shown in the photos. • This is a personal item, so please understand that it is sold as-is (no returns, no exchanges, no refunds). Thank you very much. *Images for function explanation were taken from Amazon.