It has an internal battery that allows operation for up to 2.5 hours without the need for a power source. Supports wireless connection with phones and computers (Wireless Mirroring). Resolution up to HD (1280×720). Strong illumination (up to 550 lumens) suitable for medium-lit rooms. LED technology provides vibrant colors and a long lamp life of up to 30,000 hours. It has a good quality internal speaker, with the ability to connect external speakers via Bluetooth. Multiple connection options Note (No remote) however, you can operate all features without the need for a remote HDMI USB AV Bluetooth Supports connecting phones, computers, game consoles, and flash drives. Connectivity: HDMI Brand: LG