1) Display: 1.5-Inch CSTN color LCD display 2) Memory: 8MB built-in flash memory 3) Image Resolution: 128 x 128 pixels 4)Power: built-in 3.7V lithium battery or USB 5V supply; Interface: USB 2.0 5) Photo Play,can storage: 150 pictures at most,support JPG,BMP etc. 6) Play mode: manual/automatic play 7) Auto power off function 8) clock set and Display 9) Contrast set and Background light set 10) Support USB connect,Operation System: Win2000/Xp 11) Working Time: 4-5 hours 12) Case Color: silver, white, yellow, green and red etc. 13) product size: 40 × 58 × 11MM Bare Metal Weight: 0.022KG