Feature:1. SCIENTIFIC ERGONOMIC DESIGN: Designed to keep your right hand in a natural grip position, reducing wrist ache during long hours of use. Ideal for office and home.2. INTELLIGENT WAKE UP AND SLEEP: The mouse features automatic sleep and wake up functions. It enters sleep mode if left inactive for a period, and can be woken up by any key press.3. USB RECHARGEABLE: Equipped with a built in 650mAh lithium battery, easily recharge the mouse with the included USB cable. Fully charged in 3 hours, the wireless mouse can be used for approximately 30 days.4. 800 1200 1600 DPI LEVELS: Easily adjust the mouse sensitivity with high grade optical engine for faster response, smoother tracking, and higher precision movement.5. BROAD COMPATIBILITY: Compatible with PC, laptops, and all devices with USB connection, plug and play without the need for extra drivers, more professional and efficient.Specification:Item Type: Right Hand Vertical MouseMaterial: ABSBattery Capacity: Built in 650mAh lithium ion battery (included)Sensitivity: 800 1200 1600 DPI adjustableSystem Requirements: For Windows 2000, for XP, for Vista, for CE, for win 7, for win10, for Linux, for AndroidApplication: For Notebook, PC, Tablet.Package List:1 x Mouse1 x Charging Cable1 x Adapter1 x User Manual