Kensington Orbit® Trackball with Scroll Ring — White. Form factor: Ambidextrous. Movement detection technology: Trackball, Device interface: USB Type-A, Buttons type: Pressed buttons, Buttons quantity: 2, Scroll type: Ring. Power source: Cable. Product color: White
Kensington Pro Fit Bluetooth Compact Mouse. Form factor: Ambidextrous. Device interface: Bluetooth, Buttons type: Pressed buttons, Buttons quantity: 2, Scroll type: Wheel. Power source: Batteries. Product color: Black
Kensington K64709WW. Windows operating systems supported: Windows 10, Windows 7, Windows 8.1. Package weight: 1.41 oz (40 g), Package depth: 3.15" (80 mm), Package width: 0.787" (20 mm). Product color: Gray. Country of origin: Taiwan