Features 1、4K HD: Wireless display adapter supports 4k high resolution mirroring for viewing on a large screen, showing every detail and sharing HD video screens with friends. 2、Stable Transmission: Wireless display receiver can mirror from your phone, tablet, laptop, desktop computer device to HD multimedia interface port TV, projector, monitor without connecting cable. 3、Dual Band WiFi: Wireless WiFi display dongle supports 2.4G and 5G WiFi. anti interference and faster speed. With external antenna to provide stronger and more stable signal connection. 4、Universal: Wireless WiFi display dongle is compatible with all cell phones, tablets, laptops, desktop devices, all for IOS, for OS X, for Andriod, for Windows devices, and supports multiple wireless screen protocols. 5、Widely Use: Wireless display adapter is used to wirelessly share PPT, emails, documents and other content, wirelessly share teaching content, wirelessly share photos, videos, movies. Specification Item Type: Wireless Display Adapter Material: ABS Wireless: 2.4G/5G Resolution: Support 4K Resolution Image Transmission Support System: for Android, for IOS, for Windows, for OS X CPU: AM 827X RAM: DDR 1Gbit Features: DLNA, Miracast, for Airplay Package List 1 x Wireless Display Adapter 1 x Antenna 1 x Instruction Manual