Ergonomic vertical mouse employs an angled slope to keep your wrist in an ergonomic neutral handshake position, which helps relieve soft tissue compression and improves wrist and forearm posture for better comfort and muscle support Mouse dimensions 2.74 inches tall and 4.38 inches long Extended lip support for your little (pinky) finger enables more smooth and comfortable movements of the larger muscle group Wireless connectivity via 2.4GHz with a range of 33 feet/10 meters; plug-and-play USB-A nano receiver; storage compartment keeps the nano receiver safe when not in use Four button control left click, right click, forward & back (for web page browsing); a scroll wheel provides convenient scrolling Multiple optical sensitivity (DPI) options can be selected with the DPI button, providing accuracy in any situation; DPI settings of 800, 1200, 1600, 2000, 2400 On/Off switch and Auto-sleep function helps save battery (1 AA, included); auto-sleep enabled when not used for mo
