The Yealink WPP30 is a 4K Ultra HD Wireless Presentation Pod that can be connected in a snap thanks to Plug and Play. Simply plug in and away you go with your presentation. Combined USB-A/C port With Wi-Fi 6 chip, Intuitive remote control, 4-screen casting, Supports annotation/whiteboard/reverse control, Supports wireless BYOD, With AES and WPA data encryption. Note: The WPP30 is only compatible with Yealink C4 and C5 generation conference/presentation systems!