This wireless mouse can connect and switch between multiple devices at once with ease. It is very ergonomic friendly because of it's unique shape. The scroll wheel resistance has 3 adjustable settings. There is also an extra scroll wheel on the side of the mouse for horizontal scrolling. It has 2 buttons that are key mappable through Logitech's software. This device can connect through either bluetooth or via usb wireless receiver (included in the box).

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