LEFT-HANDED ERGONOMIC VERTICAL MOUSE – Specifically designed for left-handers, this mouse promotes a healthy neutral handshake wrist and arm position, enabling smoother movement and reduced strain. Ideal for users who spend long hours working on a computer or those seeking relief from repetitive strain. EASY TO USE, PLUG & PLAY – Features a strong and reliable 2.4GHz wireless connection. Includes a nano USB receiver stored in the mouse compartment. Simply plug in and start using. Mouse dimensions: 5.0 x 3.0 x 2.5 inches. Weight: 95g. Not compatible with Mac OS. Please verify system compatibility and size before purchase. MULTIFUNCTION AND CONVENIENT – Equipped with 6 buttons for versatile control. Includes dedicated "Page Back" and "Page Forward" buttons for easy web navigation. Adjustable 3-level DPI (800/1200/1600) meets both everyday and gaming needs. High-precision optical engine ensures fast response, smooth tracking, and accurate cursor control. POWER-SAVING DESIGN – Features an independent on/off switch on the bottom to conserve battery life. Automatically enters sleep mode after 8 minutes of inactivity and wakes instantly when either the left or right button is pressed. Requires 2 AAA batteries (not included). WIDE COMPATIBILITY – Works with Windows 7, 8, 10, XP, 2000, CE, Vista, and Linux. Suitable for notebooks, PCs, laptops, and desktop computers. USB receiver stores inside the mouse for convenience.