Used only a few times indoors, with no noticeable scratches or stains, and in very clean condition. Set Contents: * OBSBOT Tail Air Video Camera Body \*with NDI license (Amazon price: ¥75,800) x 2 * OBSBOT USB-C to Ethernet Adapter (Official price: ¥14,500) x 2 * OBSBOT Micro HDMI to HDMI Cable (Official price: ¥2,250) x 1 * OBSBOT Tail Air Smart Remote Controller (Official price: ¥11,800) x 1 * OBSBOT ND Filters Set (Official price: ¥8,800) x 1 \*Please comment if you wish to purchase items separately. This offers a high-level video streaming experience with industry-leading AI auto-tracking and excellent multi-camera setup. The Tail Air can be connected to external devices in 5 ways: 1. USB 2. HDMI 3. NDI (requires a license key) 4. Ethernet (requires an adapter) 5. Smart Remote (requires a remote) It's the smallest 4K camera, and it's the only one with such a variety of connection options, even as a webcam. For NDI connection, please purchase the "OBSBOT USB-C to Ethernet Adapter" (https://jp.mercari.com/item/m12984204401) separately on Mercari. The AI auto-tracking function keeps moving subjects in the frame, allowing for stable video streaming. It's ideal for shooting presentations and dance performances while in motion.