Open box, appears new, UNTESTED

Supports 4K resolution image transmission 2.4 GHz /5 GHz dual Wi-Fi connection, mobile phone screen mirroring, computer screen casting to projector. Support windows/ Mac /android /iOS OS devices screen mirroring, mirror the screen to the meeting tablet and projector without wire

I use recycled boxes when available to save on shipping costs

The Wireless Display Adapter is a sleek black unit that supports 4k HDMI and offers dual 2.4/5G WiFi connectivity. Its most notable feature is screen mirroring, allowing users to easily share content from their devices onto a larger screen. With Bluetooth wireless capabilities, this adapter provides a convenient and versatile solution for streaming audio and video content. Its compact design and HDMI audio inputs and outputs make it easy to set up and use with various devices for a seamless entertainment experience.

Wireless Display Adapter, Supports 4k HDMI, Dual 2.4/5G Wifi, Screen Mirroring