Product Feature: 1.Small & Portable: The mini projector is very small in size (4.7x 3.4. x 1.9 inch) , not too much bigger than your mobile phone, you can take it anywhere in your pocket. No built-in battery. [Not Recommended for PPT Presentation ] 2.Connect to Multiple Devices: The portable projector equipped with HDMI, Micro SD, AV, 3.5MM Audio Jack, USB interfaces, is compatible with TV Box, TV Stick, PCs, Laptops, PS4, USB Flash Drive, Media players, and external speakers. 3.Built-in Speaker & Power Bank Supported: The video projector with built-in speakers offer excellent loud sound quality, you can also connect it to external speakers to meet your higher quality sound needs. The projector with 5V2A port can support power bank. [ Not support Dolby digital sounds] 4.About Performance: The movie projector is equipped with 800:1 contrast ratio, supported 1920x1080P resolution, brings you a watching size from 20 to 80 with the projection distance between 1.2M to 3M. Suitable for home entertainment, taking online classes, or keeping the kids entertained with hours of cartoons or educational videos. Product Specification: Item Type: Mini Projector Imaging Technology: TFT LCD Contrast Ratio: 800: 1 Physical Resolution: 320 x 240 Support Resolution: 1920 x 1080 Light Source: LED Focus: Manual Projection Distance: Approx. 0.8 ~ 2meter / 2.6 ~ 6.6ft Projection: Approx. 50.8 ~ 152.4cm / 20 ~ 60in Projection Ratio: 1.6: 1 Screen Ratio: 4: 3 Adapter: 12V-2A Mobile Power Supply: 5V-2A Projector Built-in Battery: Lithium battery 1300mAh Remote Control: 2 x AAA (without battery) Power: 10W-24W Support document multimedia documents (music, picture, video, TXT) Support languages Chinese, English and other 23 languages Package Lists: 1 x Projector 1 x Plug 1 x 3In1 AV Cable 1 x Remote Control 1 x User Manual