The mouse keeps losing connection.

Uses Kensington's trackballs, which cost as much as this, but Kensington has significantly better quality. This, however, has a thumb-ball which I think is more comfortable. Like all trackballs I tested this works for easier everyday tasks, but should you draw in CAD or anything that requires...

Brilliant mouse. Have used Logitech mice for as long as I can remember. They fit my hand well and have always proved reliable, Of course, you do have pay for quality.

Ok, you might be saying, if twisting your wrist increases discomfort, why not just buy a completely vertical mouse, so you don't have to twist at all? You can: One such device is the Evoluent Vertical Mouse , our Editors' Choice for ergonomic mice.

Unique tilting stand lets you experiment between horizontal and semi-vertical orientation; Good build quality; Wireless

Expensive; Right-handed only; Struggles to perform precision cursor movements

Included with the , users will find nothing but a simple lit pack, Unifying receiver, and micro-USB cable. There is a note attached to a sticker on the MX Ergo directing users to the Logitech's website to download the Logitech Options application, but it is not included on any media in the retail...

Precise Mousing; Customizable; Great Battery Life; Smooth Wireless Operation; Works Across 2 PCs with FLOW

Kind Of Pricey; Only For Righties

The scroll wheel could be improved a smidge, but in most other respects, Logitech got its first new trackball in seven years right. It's a great productivity peripheral.

Relaxed; tiltable grip; Support for Logitech Flow; 10 buttons; Precision Mode function; Holds charge a long time

Pricey; Options' actions menu is unwieldy; Sculpted for righties only; Thin scroll wheel with so-so traction

There's not a lot of competition out there, so if you're looking for a solid trackball with ergonomic benefits, this is the one to buy. However, the $99 price is a little on the high side for someone looking to dip their toe into the trackball world.

I've been using this style of Logitech trackballs for 15 years! This one is quite different - it has a heavy magnetic base, that allows for different hand positions. Nice that it's finally bluetooth and doesn't require a dongle.

Few things in computing have stayed quite as consistent as the keyboard and mouse. With each passing year monitors reach ever higher resolutions and framerates, graphics cards pack in more and more teraflops of graphical horsepower, and CPUs add more cores and greater clockspeeds.

Comfortable design; Accurate trackball; Plenty of additional buttons; Unifying receiver and Bluetooth support

No left-handed version; Tilt options are limited

Think back to the early-to-mid 90s, when PCs were taking the world by storm and becoming commonplace. Most of them looked the same: big beige boxes with clunky keyboards and wired mice.

Incredibly ergonomic; Fine-control switch is a godsend; Pairs to two devices

Takes time to get used to; Not ambidextrous; Fairly expensive