ship from Japan A wired BlueLED mouse that is asymmetrical, fits your right hand, and is easy to hold. It is a hassle-free and easy connection that can be used just by plugging it in. No need to install troublesome software. With a high resolution of 1000 counts that allows you to move the cursor to the edge of the screen with a single swing of your wrist, spreadsheets such as Excel are also comfortable. Interface: USB HID specification Ver.1.1 compliant Connector: USB (A type connector) Reading method: Optical sensor method (blue LED) Buttons: 2 buttons, wheel (scroll) button Size: W64 × D110 × H36.5mm