Kensington 슬림 블레이드 트랙볼 마우스(K72327U)

["Low-profile shape and silver metallic finish deliver ergonomic comfort and beautiful aesthetics","Requires less arm and wrist movement (for better comfort) and takes up less desk space than a traditional mouse","Laser tracking delivers precision cursor control","Ambidextrous design","Free downloadable KensingtonWorks software provides button customization","Compatible with Windows (including Windows 8) and macOS","2 year (Only valid if purchased through Kensington Authorized Resellers)","ChromeOS user can get HID functions for a trackball but will not be able to customize their device through KensingtonWorks."]