wireless keyboard and mouse spanish set 2.4 ghz stable connection for office home travel presentation wireless mouse keyboard

features battery version the optical mouse consumes only 0.11 ma. after 20 seconds, enter the energy saving mode without using it, and then reactivate it with one click. the compact keyboard will enter a power-saving state after 8 minutes. no need to replace the battery for more than one year product included; keyboard 1 mouse 1 usb interface 1 manual 1 (battery is not included) happy shopping