Promate Beamer-A250 Wireless 4K Ultra HD Projector.

Key features: The device features a huge 120-inch display at a distance of 3.65 meters, with Auto Focus technology and Auto Vertical Keystone Correction for easy setup.

Display quality: It offers native 1080p resolution and supports 4K resolution at 30Hz. The brightness is 250 ANSI nits for clear and vibrant images.

Connectivity: The device includes a built-in Android operating system, and supports dual-band Wi-Fi (2.4GHz/5GHz) and Bluetooth (version 4.0 or 5.4 depending on the exact model).

Ports and audio: It has an HDMI port that supports 4K, a USB-A port, as well as a built-in 5W speaker.

Design: It comes in a compact and portable design, and in some models, it includes a height-adjustable telescopic monopod.

Key features: 3-in-1 multi-functional projector.

Compatibility: Compatible with 4K resolution and supports the Android system.

Sound: It has a built-in HiFi speaker.

The stand: Includes a built-in monopod stand.

Accessories and Warranty: Comes with a remote control and a two-year warranty.