Mice & Trackballs Features:OOTDTYBrand new and high qualityThe JSY 01 Mouse Say goodbye to mouse hand with this vertical mouse designed to prevent strain and discomfort.Ergonomic Design This vertical mouse is specifically crafted to provide a comfortable grip and reduce wrist tension during long hours of use.Suitable for All Whether you're a man or a woman, the JSY 01 Mouse is perfect for anyone looking to improve their productivity and gaming experience.for Office and Gaming From office work to gaming , this mouse offers precise control and smooth navigation, making it a versatile choice for various tasks.Take Control of Your Workstation With the JSY 01 Mouse, you can bid farewell to discomfort and enjoy a more efficient and enjoyable computing experience.Specifications:Material: ABSColor: Black,Silver (optional)Engine: OpticalNumber of Keys: 3Connection:Rating: 5V 100mAPackage Includes:1 x Optical MouseNote:No retail package,battery not included.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!