Feature: 1. RIGHT HANDED: The wired vertical mouse allows you to keep your right hand in a normal grip position to avoid wrist pain from prolonged use. Perfect for offices and home. 2. INTELLIGENT WAKEUP AND SLEEP: The mouse is equipped with automatic sleep and wakeup function, if it has been stationary for a period of time, the mouse automatically enters the sleep state, in the sleep state, you can use any key to realize the wakeup function. 3. ADJUSTABLE DPI: 1000/1600/2400/3200 four levels of adjustment, easy to adjust the sensitivity of the mouse, with premium optical engine for faster response, smoother tracking and higher accuracy movement. 4. WIDE COMPATIBILITY: The right handed ergonomic wired mouse works with PCs, laptops and all devices with USB connection, no additional drivers required, plug and play. 5. DURABLE DESIGN: Supports up to 50 million clicks, providing you with a premium feel that is better than ordinary mice. It features an elegant rubberized matte finish that provides a good grip while resisting fingerprints and smudges. Specification: Item Type: Right Hand Wired Ergonomic Mouse Material: ABS Color: Black Sensitivity: 1000/1600/2400/3200 Four Levels Adjustment Application: Laptop, PC. Package List: 1 x Mouse1 x Instruction Manual