Technical specifications
General
Dimensions
6.3 × 3.2 × 0.4 inch
CPU
216 MHz ARMv7 processor
Power
Integrated rechargeable battery
Screen
Resolution
320 × 240 pixels, 140 PPI
Battery
Autonomy
20 hours in use1, several years in standby
1. Computed based on typical classroom usage: device fully on (backlight at maximum brightness) a quarter of the time, and idle (screen dimmed) otherwise. The device draws 125 mA when fully backlit, and 50 mA when dimmed, which gives an average current of 68.75 mA. Given a 1450 mAh battery, this amounts to 21 hours and 5 minutes of use.