Kensington Expert Mouse TB800 EQ Trackball

Purchased on a flea market site in March 2026.
Included cable unused, all accessories included.
Used a few times, but selling because I couldn't get used to the operation.
Operation confirmed.

It has been reported that there is a dead zone where the mouse pointer cannot be operated properly. Please purchase with this understanding.

This is a used item, so please refrain from purchasing if you are concerned about minor scratches or dust.

Also listed on other sites, so please understand that it may be removed from listing.

Kensington Expert Mouse TB800 EQ K72457JP Trackball Gray Bluetooth/2.4GHz Wireless/Wired Connection Compatible

☆ Brand: Kensington
☆ Color: Black/Gray
☆ Connectivity Technology: Bluetooth Receiver
☆ Features: Wireless
☆ Movement Detection Technology: Trackball, Optical
☆ Number of Buttons: 12

Optical Tracking Technology: The 55mm large ball allows for precise and accurate tracking while minimizing hand and arm movements. A reporting rate of 1000Hz in wired and wireless modes ensures smooth cursor movement.

Equipped with a Scroll Ring and 2 Side Rollers: Seamlessly switch between line-by-line scrolling or scrolling. The side rollers on both sides allow for horizontal scrolling or zooming. The scroll ring and side rollers can also be disabled with a switch on the bottom.

Ambidextrous Symmetrical Design: The symmetrical design allows for use by both right-handed and left-handed users. Since the cursor is operated without moving the trackball itself like a mouse, it saves space and minimizes hand and arm movements.

Wireless, Bluetooth, Wired Connection: Connect to up to 4 devices with Bluetooth connection x2, 2.4GHz wireless connection x1, and USB-C wired connection x1.

Compatible with Windows and macOS: macOS 12 or later, Win 10 or later, Chrome (button assignment, scroll ring, and side scroll customization not possible with Kensington Konnect).