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. Item Type: Right Hand Vertical Mouse Material: ABS Battery Capacity: Built in 650mAh lithium ion battery (included) Sensitivity: 800 1200 1600 DPI adjustable System Requirements: For Windows 2000, for XP, for Vista, for CE, for win 7, for win10, for Linux, for Android Application: For Notebook, PC, Tablet 1 x Mouse 1 x Charging Cable 1 x Adapter 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store