ADJUSTABLE ANGLE: Unique detachable risers to customize the angle of the mouse from 0 to 10 or 20 degrees to minimize strains on wrist and armsSCULPTED
DESIGN: Supports your hand comfortably and let it rest on the mouse;
Dimensions: 5.47 x 4.06 x 1.97 inchesWIRELESS
DUAL MODE: Switch between two devices via Bluetooth or wireless 2.4
GHz connectionTILTED-SCROLL-WHEEL: Middle click function; scroll horizontally as well as vertically, using a tilting scroll-wheelSYSTEM
REQUIREMENTS: Window 7, 8, 10 and above;
Package includes: PERIMICE-720, 10-degree stand, 20-degree stand, manual