Sanwa Direct Bluetooth Trackball Mouse, Compact, Quiet, Compatible with MacWindowsAndroidiPad OS, 5 Buttons (Includes BackForward Buttons), Black,

This compact trackball mouse allows for easy thumb operation and reduces wrist strain. It uses Bluetooth connectivity. It can connect to up to three Bluetooth devices, and you can switch between connected devices by pressing the button on the back. Its shape is similar to a regular mouse, making it ideal for first-time users. Its compact size makes it easy to hold even on a desk, even for those with small hands. Its space-saving design allows it to be used in a variety of locations, including small spaces, on your lap, or even on a bed. It features five buttons for comfortable operation, including silent left/right and forward/back buttons. The back has a non-slip backing to keep the mouse securely in place. It uses one AAA battery. It comes with a convenient carrying pouch. The 3.2cm diameter ball is just right for thumb operation. The ball can be removed and cleaned by pushing it out through the hole on the back. The cursor speed can be adjusted to four speeds: 400, 800, 1200, and 1600 counts. It also has an ON/OFF switch to prevent wear when not in use. ■Warranty period: 1 year from the date of purchase