iPazzPort KP-810-16BAR - Manual (Page 3)

5.How to use
ON OFF
English
5.2. Recharge your keyboard: when your keyboard backlit flash without any
operation that means your keyboard is in low charge, and need to recharge
connect your keyboard to your computer with mini end of USB cable to
your keyboard and another end to computer, then orange led will light up
with steady on, and go out when it is fully recharged.
Power Switch
5.1.
5.3 Change battery:
Take Battery out
Battery
Lift back case up
ON OFF