Feature: 1. Right Handed Ergonomic Design: This wireless, vertical mouse is designed to keep your right hand in its natural grip position, reducing the risk of wrist pain from prolonged use. 2. Sleep and Wake Function: The mouse automatically goes into sleep mode if inactive for a while saving battery life. It can be easily awoken with any button press. 3. Three DPI Levels: Easily adjust the sensitivity of the mouse with 800, 1200, and 1600 DPI levels, optical engine allows for faster response, smoother tracking, and more precise movements. 4. Broad Compatibility: The mouse is suitable for PCs, laptops, and all devices with a USB connection, offering plug and play convenience without the need for additional drivers. 5. Durable and Comfortable: With support for up to 50 million clicks, this mouse offers a comfortable feel, features an elegant rubber matte finish for a comfortable grip and resistance to fingerprints and stains. Specification: Item Type: Right Hand Vertical Mouse Material: ABS Color: Black Battery: 420mAh Lithium Battery (Built in) Sensitivity: 800/1200/1600 DPI adjustable System Requirement: for Windows 2000/XP/Vista/CE, for Win 7, for Win 10, for Linux, for Android Application: Applicable for Notebook PC Tablet. Package List: 1 x Mouse 1 x Adapter 1 x Charging Cable 1 x Manual