... 1.5 inch digital photo frame ; key chain digigal photo frame; mini digital picture frame 1.5inch digital photo frame Features: * Screen size: 1.5 ... 3.7 V/180mA built-in lithium battery or 5 VUSB external power supply; * Player Current: 40 ... mA / Standby Current; 0.04 mA, playback time; 4-5 hours; * Picture format: support BMP / JPEG images ;* ... ,key chain lcd digital picture frame 1.1,1.5,2.4,3.5,7.8inch