Rollerball mouse for laptops in comparison

Rechargeable Mouse with RGB LED Light Built-in durable rechargeable battery, could be recharged easily with the included USB-C cable. Greatly add a splash of color to your desk with our ultra-cool LED light up mouse!

FEEL BETTER A lightweight design and shaped to fit all sizes of hands this mouse will feel like a relief. Its thumb rest and rubber coating further improve grip and comfort

The wireless trackball mouse lets you work anywhere, coffee table, favorite chair, comfortable bed or sofa. You don't have to move around the mouse. Save space and eliminate desktop clutter. Simply bring the ball with your thumb and click, no need to move a mouse or move your arm to move your cursor. Life is so easy and comfortable.

SCULPTED DESIGN Supports your hand comfortably and let it rest on the mouse. It is easy to use, no driver is needed.

Dual mode Bluetooth mouse (BT 5.1 + 2.4 GHz) with dual mode connection, the mouse realises free switches between two devices with just one mouse by pressing the switch.

The CSL Wireless Vertical Mouse for LEFT-handed users will free you from an unnatural arm position and the annoying cable connection to the computer. Its ergonomic design supports the natural position of the arm and relieves tennis elbow pain. Your arm and wrist will always be relaxed, even after long hours at work. Wireless connection via 2.4 GHz or Bluetooth means the mouse can be controlled in a space-saving way. Model number 305783

Precision & Smooth Thumb Control - No more need to move your arm around to move the cursor, just with your thumb movement, so you can use it on any surface. Trackball movement reduces wrist and arm muscular fatigue by 20% compared to a regular mouse.

Long Battery Life 2 AA batteries are included in the package,you can place 1 or 2 batteries to use(choose your perfect weight balance). 1 battery can last up to 20 months and 2 batteries can last up to 40 months.(Actual use varies by usage patterns.)

FULLY ADJUSTABLE THUMB SUPPORT FOR MAXIMUM COMFORT The Unimouse features a fully adjustable thumb rest that moves in all directions up down, in out, forward backward, and even rotates to provide a natural, relaxed grip. This customization alleviates gripping pain, reduces pressure on the base of the thumb, and ensures ergonomic comfort for hands of all shapes and sizes.

USB 2.0 interface, Plug and play, no software required

Unique Ergonomic Vertical Mouse Design For added comfort, the mouse surface is rubber-coated for a skin-like feel. It comes with a thumb rest and a magnetic detachable wrist rest. The removable wrist rest allows the forearm and vertical mouse to become one unit by lifting the wrist off the ground and placing it on a comfortable pad so that the wrist does not rub when moving the mouse. Compared with traditional mouse, it may take a few days to get used to using the mouse with ergonomic vertical design

KensingtonWorks Customization - Free downloadable software provides an even more personalized experience, giving you the ability to assign a wide variety of program functions to each of the 2 buttons, as well as adjusting cursor and scrolling speeds