Sanwa Direct Trackball Compatible with 5 Buttons with Black , Wireless, Small, Quiet, Mac/Windows, (Equipped Back/Forwa

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. A small trackball mouse that reduces wrist strain with easy thumb operation. It has a shape similar to a regular mouse, and is recommended for those using a trackball mouse for the first time. It's small enough that it doesn't feel too tight even when placed on a desk, and is easy to hold for people with small hands. The connection method uses 2.4GHz wireless connection. You can use it just by inserting the receiver. There is a receiver storage port on the back side. Equipped with 5 buttons for comfortable operation, the left and right buttons, forward and backward buttons are silent buttons. Comes with a pouch for convenient carrying. ■Warranty period: 1 year from the date of purchase wireless wireless trackball ball mouse ball mouse drag ball mouse tracking ball mouse wireless mouse wireless mouse