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They are used to connect it to different devices. After assigning it to up to three devices, pressing a number connects it to the device assigned to the number pressed (and disconnects it from the device it was connected to).
Sorry, there was a problem. Please try again later.You can pair the mouse and keyboard up to 3 devices. The 1 2 3 are to switch between devices.
Sorry, there was a problem. Please try again later.1, A,Arrow down
Sorry, there was a problem. Please try again later.EACH KEY REPRESENTS A BLUETOOTH CONNECTION TO OTHER DEVICES. 1 COULD BE SMART PHONE, 2 COULD BE WINDOWS LAPTOP 3 COULD BE SMART TV AS LONG AS ALL THESE DEVICES HAVE BLUETOOTH CAPABILITY
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