685 Comfort Dual-Mode Mouse

The HP 685 Comfort Dual-Mode Mouse (8T6M0AA) is a wireless mouse for everyday computer work. Its contoured shape is designed to sit comfortably in the hand, while the scroll wheel supports both horizontal and vertical movement—useful when navigating wide pages or spreadsheets.

It has seven buttons, including six programmable buttons, and a sensor resolution of up to 4000 dpi. The listing also describes connection to up to three devices. Measuring 120 × 69.1 × 42.2 mm and weighing 88 g, it combines configurable controls with a compact desktop footprint.