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No battery required. You plug it into the computer via a USB port.
Sorry, there was a problem. Please try again later.No battery is required for this keyboard or mouse. Must connect USB to computer or labtop to operate both.
Sorry, there was a problem. Please try again later.The MK120 is wired and powered off the USB cables when plugged into available USB ports on your computer, it does not require batteries to be inserted.
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