• Product 1: Large 55mm ball design and Diamond Eye optical tracking for precise cursor control; Patented scroll ring lets you scan up and down pages with ease
• Product 1: Detachable, ergonomic wrist rest supports hand and wrist for improved comfort; Ambidextrous design
• Product 1: Customizable 4-button design, scroll speed and cursor speed via KensingtonWorks software
• Product 1: Connects wirelessly via built-in Bluetooth 4. 0LE or with the USB dongle using 2. 4Ghz wireless; Auto-sleep helps conserve battery life
• Product 2: Ultra-soft feel with a premium exterior that is supported by gel-cushioned padding to provide unmatched quality and comfort
• Product 2: Ergonomist approved to provide optimal health, comfort and protection through proper alignment, tailored dimensions, and unique curved design
• Product 2: Provides functional and sophisticated low-profile elegance. Non-skid rubber backing keeps the rest from slipping whether you're working or gaming
• Product 2: Ideal for a mouse less than 1" high

Looks and appears in excellent condition. Has been powered on with no further testing. DOES NOT INCLUDE USB TOGGLE.