I liked the idea of using Bluetooth for a mouse instead of always having a USB dongle plugged in. We have had the USB ports get damaged from the dongle getting bumped, plus it's nice to have a port free.
Used it with a Windows 8 tablet and it worked great; very nice action
I assumed if things were Bluetooth, they would all be compatible; No, they had to change things; This only works on Windows 8 and 10 and requires Bluetooth 4.0 or higher; I purchase a second one to use on a new Windows 7 laptop and found out you have to research everything and read all the fine...