Sanwa Direct Trackball Ergonomic Mouse, Quiet Wireless Bluetooth 2.4GHz [With BackForward Buttons], Rechargeable, 400-MAWBTTB190BK

This trackball mouse features an ergonomic design that fits snugly from your thumb to your pinky finger. Its exquisitely curved design makes it easy to grip and reduces wrist strain. It supports two connection methods: Bluetooth and 2.4GHz wireless. Easily switch between them with the switch on the bottom, allowing you to control multiple devices. It features back and forward buttons for convenient web browsing. All buttons are silent, allowing you to use the mouse without disturbing others. The frequently used back button is conveniently positioned for easy access with your index finger. It is rechargeable and requires no drying, and can be charged using the included Type-C cable. This ball mouse offers three adjustable cursor speeds: 800, 1200, and 1600. It features a medium-sized ball that's easy to operate with your thumb. The ball can be easily removed from the back of the mouse for easy cleaning. ■Warranty period: 1 year from the date of purchase ★This product will be shipped from Amazon's warehouse★ Shipping and delivery times will be in accordance with Amazon's delivery service.