Power source Built-in rechargeable battery: DC 3.7 V AC power adapter: DC 5.2 V Battery life (continuous playback) Approx. 7500 pages (when the battery is fully charged) User available capacity Approx. 192MB Available storage capacity of the Reader may vary. Operating temperature 5 to 35 °C (41 to 95 °F) Dimensions (w/h/d) Approx. 6.9 × 4.8 × 0.3 inches (maximum, without soft cover) Mass Approx. 9 oz (without soft cover) Package Contents The Reader comes installed with a built-in rechargeable battery. • Reader (with Soft cover) (1) • USB cable (1) • CD-ROM (1) - eBook Library software - User’s Guide (PDF) - Sample contents • Quick Start Guide (this manual) (1) • Flyers • Dummy cards (2) Note • This CD-ROM will not play in an audio CD player.