peripro 303_sport mini keyboard 4-Way Tilt Scrolling - Easily

4-Way Tilt Scrolling - Easily scroll up and down

It's compatible with Windows 7

7 Multimedia Hotkeys built-in

offers you flexibility for additional input devices

This feature helps minimize cable clutter by allowing you to plug in peripherals directly into the keyboard

peripro 303_sport mini keyboard 4-Way Tilt Scrolling - EasilyREPLACEMENT TRACKBALL Designed for any trackball mice using 1. 34 (34mm) trackball size; Such as from Perixx: PERIMICE 517, PERIMICE 717, PERIMICE 520, PERIMICE 720, Logitech: MX Ergo, M570, M575 Cordless (not include Trackman Marble), Elecom: M XT3DRBK (EX 6), M DT2URBK, EX G DEFT Sanwa: MA WTB43BK BASEBALL AND SOCCER DESIGN The novelty design of baseball and soccer on the trackball. The quality and unique design of your favorite sports can be felt