Digital Foci PAO-150 1.5-Inch Pocket Album OLED Keychain Digital Photo Viewer (Ruby Red) High-quality 1.5-inch OLED (Organic LED) screen with high contrast ratio of 1,000: 1 - Cutting edge OLED technology provides excellent display of images with higher brightness, better contrast, and wider viewing angles than conventional LCD screens Holds 124 digital photos on its internal flash memory - carry your favorite photos right in your pocket and share and relive your precious photo moments anytime, anywhere. Run automatic photo slideshow with adjustable slideshow interval and random option or scroll photos manually Runs on Lithium-polymer battery with approximately 5 hours of battery life; easily recharge the battery with included AC adapter or with USB power by connecting it to your computer Includes Photo Manager Software for editing, cropping, and converting photos from your computer to Pocket Album OLED (compatible with Windows Vista/XP/2000 and Mac 10.5/10.4)