SMALL AND COMPACT: : This mini projector is only 11.9x8.6x4.8cm (0.29kg), almost the same size as your , ONLY IDEAL FOR HOME ENTERTAINMENT IN DARK CONDITIONS , NOT recommended for PowerPoint or business presentations. With built-in speaker, BUT DOES NOT SUPPORT BLUETOOTH. POWERED BY EXTERNAL BATTERY: The mini overhead projector does not have a built-in battery, it needs a 5V or 2A power source such as a wall charger or power bank. Ideal for travel, hiking and camping without electricity nor television. In addition, it is very popular with children. COMPATIBLE WITH MULTIPLE DEVICES: : ARC or USB or AV or SD slots allow this mini projector to connect smartphones, laptops, tablets, DVD players, Switch or PS4 or XBOX, Fire TV Stick, Chromecast, USB flash drive , Mirco SD, Audio devices, and more. IMAGE PERFORMANCE: : 800 Lumens Native resolution: 480x320 pixels Maximum supported resolution: 1080P Aspect ratio: 4:3 or 16:9 Projection distance: 1-3m Projection size: up to 60 inches. NOTICE: May not be compatible with Dolby video sound Ideal for entry-level users, not professional users HOW TO CONNECT: : To connect to your smartphone, tablets, laptops, you may need a Lighting to ARC cable, Micro USB to ARC or Type-C to ARC which depends on your devices. If you want connect it to WiFi, a WiFi Dongle is required (NOT INCLUDED). Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.