Icarus Icarus Reader Sense. Diagonal: 152.4 mm (6 "), Technology: SiPix, Gray scale levels: 16 levels of grey. Document formats supported: pdf, rtf, epub, Audio formats supported: MP3, Image formats supported: JPG, PNG, BMP. Compatible memory cards: SD, SDHC. Interface type: USB 2.0. Battery life (max): 300 h, Battery life: 8000 pages, Battery capacity: 1530 mAh