4-way touch scrolling for navigating up, down, left and right; Designed for comfort and portability Works on virtually any surface with Blue Track Technology Wireless Bluetooth connectivity - no transceiver required; 3 customizable buttons for more control Works with many Android tablets; Works on Windows tablets including Microsoft Surface Pro 3 The four-way touch strip on the Sculpt Touch Mouse lets you breeze up and down, left and right, and through windows and documents with just the swipe of your finger. While you scroll, you'll feel the nice surprise of tactile vibration feedback.