Function: 1. This projector has a newly optimised light path + a highly efficient LED and the brightness is 50% higher than before. 2. This mini projector has an optical short focus lens that can focus to 50 cm. 3. The portable projector supports 5V power supply, built-in 8ohm 3W speaker with cavity and clear sound. 4. This portable projector has diffuse reflection images to protect your eye health. 5. The unique appearance of the home projector, the perfect combination of fashion and art. Specification: Item Type: Household Projector Imaging technology: TFT LCD Physical resolution: 320 x 240 Focus: Manual Projection distance: approx. 50 ~ 300 cm / 19.7 ~ 118.1 inches. Screen aspect ratio: 16: 9/4: 3 Input interface: AV, USB, HDMI, small memory card, 5V-2A power input Output interface: headphones Support resolution: 1920 x 1080 Light source life: 20000. Machine power: 20 W Speaker: 8 Ohm 3 W Remote control battery: 2 x AAA batteries (not included). Package list: 1 x projector, 1 x AV cable. 1 x user manual (English language not guaranteed). 1 x adapter. 1 x remote control. 1 x dust-free cloth.