2, if you do not use the wireless keyboard for a long time, it is best to charge the device once a month or so. Lest its built-in battery enters the dormant period and cannot be recharged.
3, in many cases, the vast majority of computers still do not support wireless keyboard into the BIOS, because the computer is not loaded before the operating system, so you can not use the wireless keyboard to change the BIOS Settings. Some people say that my wireless keyboard is drive-free ah, plug in can be used, why can not enter the BIOS? This is because the free driver does not mean that no driver is needed, any hardware needs to be driven, there are many drivers are integrated with the operating system, so your free driver wireless keyboard is actually to the driver, which can explain why your wireless keyboard in the boot self-test stage without loading the driver can not be used.
Generally, it can be filled in two or three hours, and it can be used for more than half a month.