... (Norflash) ;* Picture of storage: 47pcs / Slide Show ;* Media power: 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 ... picture frame 1.1,1.5,2.4,3.5,7.8inch