... 32 GB TF card 3.Battery Duration:About4-5 hour high quality and portable vedio glass 320 with 72" virtual screen ... e-book,support MPEG, AVI, RM, RMVBAudio formatdisplay music,support MP3, WMA, FLAC, APE, AAC, and PlayFXpicture formatJPEG, BMP, GIF ... functionColors availableblack, white, silver, or customizedUSB ConnectionUSB 2.0 high-speed, maximum speed up to 4MbpsMemoryBuilt in 2G flash ...