PB360: Display 5" E Ink® Vizplex; G-sensor/Accelerometer built-in; CPU Samsung® S3C2440 AL-40 400MHz; Operating system Linux; E-Book formats: FB2, FB2.zip, TXT, PDF, RTF, HTML, PRC, CHM, DJVU, DOC, EPUB, TCR Image formats: JPEG, BMP, PNG, TIFF Additional Software: RSS-News, Calendar, Notes, Sudoku, Games Connectivity: Mini USB; Memory RAM 64 Mb, Internal 512Mb, User-accessible 466Mb; Memory slot: microSD, microSDHC card; Battery: Li-Polymer (1000 mAh); Size with cover: 4.6 x 5.5 x 0.47 118 x 140 x 12 mm Size without cover: 4.6 x 5.5 x 0.39 118 x 140 x 10 mm Weight: 5.3 ounces /150 g Color: Black What's in the package: PB 360 reader, hard protective cover, USB wire, Wall Charger, 2G MicroSD Memory Card, Wrist Lash, User Manual (Pouch on the photo is not included)