Projector from BenQ company, model U80 Wireless battery For sale, new, sealed With a free projector screen roll 500 lumens brightness: suitable for use in various environments. Portable design: easy to carry and use anywhere. Wireless connection: supports Wi-Fi and Bluetooth, allowing you to easily connect it to other devices. Built-in battery: lasts up to 3 hours of use. Internal speaker: provides clear and powerful sound. Multiple inputs: supports HDMI, USB, and VGA, allowing you to connect it to almost any device.