PERIPRO-801 - Bluetooth Ergonomic Vertical Trackball Mouse

Ergonomic Design - All the buttons you need in a mouse and more, with a special sculpted design to place all your fingers comfortably on the mouse. Mouse Dimensions: 5.12 x 4.21 x 1.77 inches Precise Thumb Control - Smooth tracking by simply moving the trackball— minimizes overall arm movements, less repetitive movements, more productivity, and comfort. Sensitivity value: 400/1000 DPI Bluetooth 5.1 Technology - New Bluetooth version for precise cursor movements and better connection stability Suitable for Limited Workspaces - Work and browse anywhere you are with PERIPRO-810. With thumb cursor control and high-quality laser sensor, you can use it on your bed, couch, busy desks with the same precision Dimensions: 130 x 107 x 45 mm (5.12 x 4.21 x 1.77 inches), Weight:  130 g (0.3 lb.)