The 6000 carries most of its weight in the middle and bottom of its body, which suited me fine. I didn’t have any tracking problems, and I liked how the mouse felt when moving on most surfaces.

Presto, the Wireless Laser Mouse 6000 — a full-sized, $50 mouse with a USB adapter that snaps into a bottom slot just like its miniature siblings. To forestall any confusion among mouse model ...

It starts at $69.99. For those who don’t need a full keyboard (or want to add more features to the Compact Keyboard), Microsoft is offering a similarly small and wireless number pad for $24.99.

The latter is what Logitech has called a “plug-and-forget nano-receiver.” In the Microsoft Wireless Mobile Mouse 6000 ($50), it’s called a “plug-and-go nano transceiver” — a wireless receiver that, ...