Barbie Portable Digital Photo Keychain - Pink (BAR590) Digital photo keychain 1.5-inch full color LCD display; 128x128 pixels Power saving device; auto on/off timer from 1-30 minutes Compatible with Windows 2000, XP and ME operating systems Built-in rechargeable lithium battery Digital photo keychain with 1.5 Inch LCD display Digital photo keychain with 1.5 Inch LCD display 1.5-inch full color LCD display; 128x128 pixels Power saving device; auto on/off timer from 1-30 minutes Compatible with Windows 2000, XP and ME operating systems Built-in rechargeable lithium battery