KENSINGTON WIRELESS TRACKBALL WITH HAND REST

The listing

Operating System(s): Chrome OS, macOS, Windows TAA Compliant: Certified For: Designed for Microsoft Surface Color: Black Compatibility: Chrome OS 44 or above, macOS 10.8, macOS 10.9, macOS 10.9 or above, macOS 10.10 or above, macOS X 10.11, macOS 10.13 or above, macOS Sierra 10.12, Windows 7, Windows 7 or above, Windows 8, Windows 8.1, Windows 10 Connectivity: 2.4GHz USB Receiver, Bluetooth® LE, Dual USB Receiver & Bluetooth, Wireless Controls: Customizable Buttons, Scroll ring DPI: 400 Features: Ambidextrous Design, Auto Wake/Sleep, SmartFit™, Wireless USB Receiver Storage Sensor: Optical Trackball Diameter (mm): 55 USB Receiver Size: Nano Wireless Type: 2.4Ghz, Bluetooth® LE Warranty: Limited 3-year warranty Device Compatibility: Surface Book 1, Surface Book 2, Surface Book 3, Surface Go, Surface Go 2, Surface Go 3, Surface Go 4, Surface Laptop 1 (13"), Surface Laptop 2, Surface Laptop 3, Surface Laptop 4, Surface Laptop 5 (13.5"), Surface Laptop 5 (15"), Surface Laptop 6 (13.5"), Surface Laptop 6 (15"), Surface Laptop Go, Surface Laptop Go 2, Surface Laptop Go 3, Surface Laptop SE, Surface Laptop Studio, Surface Laptop Studio 2, Surface Pro 10, Surface Pro 4, Surface Pro 5, Surface Pro 6, Surface Pro 7, Surface Pro 7+, Surface Pro 8, Surface Pro 9, Surface Pro X, Surface Studio, Surface Studio 2, Surface Studio 2+ AES Encrypted?: Yes Ball Control: Finger-operated Number of Buttons: 4 Scroll Type: Scroll Ring Size and Fit: Ambidextrous Battery Type: AA