Feature:1. RIGHT HANDED ERGONOMIC DESIGN: This vertical mouse is specifically designed for right handed users to maintain a natural grip position and prevent wrist pain during extended use.2. SMART WAKE UP AND SLEEP: The wireless vertical mice features automatic sleep and wake up functions. It enters sleep mode if inactive for a period of time and can be easily awakened by pressing any button.3. ADJUSTABLE DPI LEVELS: Easily adjust the sensitivity of the mouse with 800 1200 1600 DPI settings. Equipped with a optical engine for faster response, smoother tracking, and higher precision movements.4. WIDE COMPATIBILITY: Vertical ergonomic mouse is compatible with PC, laptops, and all devices with USB connectivity, no additional drivers required for plug and play convenience.5. DURABLE CONSTRUCTION: With a lifespan of up to 50 million clicks, ergonomic optical mouse offers superior durability. The elegant rubber matte finish provides a good grip, while also preventing fingerprints and smudges.Specification:Item Type: Wireless MouseMaterial: ABSBattery Type: Requires 2 x AAA batteries (not included)Sensitivity: 800 1200 1600 DPI adjustableSystem Requirement: for Windows 2000 XP, for Vista CE, for win 7, for win10, for Linux, for AndroidApplication: for Notebook PC, Tablet etc..Package List:1 x Mouse1 x Adapter1 x Manual