ELECOM Ergonomic Trackball M-IT10URBK - Comfort Thumb Control

In this review the ELECOM Ergonomic Comfort Design Trackball is assessed for people who spend long hours at a desk and want precise pointer control without moving a mouse. The biggest reason to buy is its comfortable angled shape combined with a 36mm ruby ball bearing that delivers smooth, responsive tracking and a tactile feel under the thumb. The wired USB-A connection keeps latency minimal for productivity tasks on Windows, PC, and Mac, and the overall build aims to reduce wrist movement and fatigue during extended use.

Key Features

• Ruby ball bearing: The 36mm ruby ball bearing provides a noticeably smooth roll and steady tracking when moving the cursor across large screens.
• Ergonomic design: The shell supports the hand at a natural 28 degree angle to help reduce wrist strain during long sessions.
• Thumb control layout: The thumb-driven ball placement makes precise pointer adjustments easy without lifting the device or using desk space.
• Wired USB-A connection: The direct cable connection ensures consistent responsiveness and no pairing hassles for desktop setups.
• Interchangeable bearings: Bearings can be replaced with compatible ELECOM parts, extending the life of the trackball.

Who It's For

This trackball suits office professionals, graphic designers, and anyone who prefers a stationary pointing device to limit arm travel. The responsive ruby ball and thumb orientation work well for detailed cursor work and for users who want a reliable wired connection for minimal input lag.

Those who need ambidextrous hardware or multi-device wireless switching should look elsewhere, since this model is right-handed, wired with a USB-A plug, and focused on a single precise setup rather than portable multi-host use.

Pros & Cons

Pros

• Very smooth and precise tracking thanks to the ruby ball bearing providing good feel and responsiveness.
• Ergonomic 28 degree angle supports the hand for longer comfort during extended use.
• 36mm ball size lets users move the cursor across large displays with small thumb motions.
• Wired USB-A connection gives dependable, low-latency performance for productivity work.

Cons

• Right-handed orientation and wired-only design limit flexibility for left-handed users and those wanting wireless freedom.
• Replacement RollMaster bearings are not included and must be purchased separately if needed.

Specifications

Brand	ELECOM
Model	M-IT10URBK
Ball size	36mm
Connection	Wired USB-A
Hand orientation	Right
Dimensions (W x L x H)	3.8 in x 5.0 in x 2.0 in
Weight	6.2 oz

Our Verdict

The ELECOM Ergonomic Comfort Trackball is a solid choice for right-handed users who want precise thumb-driven control and reduced wrist movement. Its ruby ball bearing and ergonomic 28 degree angle make it comfortable for all-day use, and the wired USB-A connection delivers reliable responsiveness. For desktop users seeking durability and value in a stationary input device, this trackball offers a strong balance of feel and practicality.

Frequently Asked Questions

Is this trackball compatible with Mac and Windows?
Yes, it is compatible with Windows, PC, and Mac systems using the wired USB-A connection.

Can the ball or bearings be replaced?
The unit supports interchangeable bearings, but replacement RollMaster bearings are sold separately and are not included with the product.

Is this suitable for left-handed users?
No, this model is designed for right-handed thumb control and is not an ambidextrous design.