Android OS 2.1
It takes about 5 hours for the battery to be fully charged
when the provided charger is used with power-down. The
charging time may vary depending on the remaining
battery level.
Note: do not charge the battery for more than 12 hours
when the charger is used.
AC input:100-240V 50/60Hz DC input:5V 2.5A
Supply voltage: 5V
Charging voltage: 5V
Audio: About 18 hours
Video: About 5 hours
Web browsing: About 7 hours
Note: The duration of playing audio and video is