Purchased used and used 2-3 times. Operation confirmed. Wirelessly displays the screens of smartphones, tablets, and computers on TVs and projectors. • Compatible with Miracast, Airplay, and DLNA standards, allowing mirroring of tablet and smartphone screens, as well as video and music playback. • Enjoy YouTube, internet radio, and web surfing freely on your TV. Great for personal use, as well as for classes and presentations. ● Displays multiple devices in 4-split or 2-split screens. • Allows distribution and display of materials currently displayed on participants' device screens (Realizes a simple paperless meeting) • Full HD, 1080p@60hz display output. • Firmware automatically updates via the internet.