CROSS-COMPUTER CONTROL – Game-changing capacity to navigate seamlessly on three computers.
DUAL CONNECTIVITY – Use with up to three Windows or Mac computers via included Unifying receiver or Bluetooth Smart wireless technology
HYPER-FAST SCROLLING – Scroll through long documents or web pages faster and easier. Or press the wheel and shift to click-to-click mode for precise navigation
ADVANCED ERGONOMIC DESIGN – Perfectly sculpted, hand-crafted shape supports your hand and wrist in a comfortable, natural position
RECHARGEABLE BATTERY – Up to 40 days of power on a single charge. You can get enough power for a full day of use in only 4 minutes, with no downtime while recharging