Wireless Mobile Projector Pro - 200 Lumens Mega-bright LED lamp projects up to 200 Lumens Wirelessly connects to your device Project up to an 100" image Rechargeable 7500mAh battery Dual built-in speakers and focus control Wirelessly connects to your device (Note: Apple devices require use of free Brookstone App. Certain applications require a wired connection*.) Also connects via HDMI compatible cable to most smartphones, tablets, computers, video players, cameras and more* Mega-bright LED lamp projects up to 200 lumens**; rechargeable battery life is up to 1.5 hours on a single charge (battery life will be reduced when using wireless mode) DLP IntelliBright technology dynamically adjusts projector brightness for each individual pixel based on image content and ambient light level TRP Sharp Pixel Technology uses diamond-shaped pixels for a sharper, smoother image Auto Keystone Correction automatically adjusts skewed images Rechargeable 7500mAh battery doubles as a USB backup battery for your smartphone Dual built-in speakers and focus control Native Resolution: 1280 x 720 Includes AC adapter and 3&#039; HDMI compatible cable for wired connections Dimensions: 5 in. x 5 in. x 1.2 in. (12.7 cm x 12.7 cm x 3 cm)