Feature:1. Equipped with: With left mouse button, mouse wheel, right mouse button, touch keys for cursor movement.2. Easy To Use: The cable length is 1M, which is convenient for customers to DIY, easy to operate, easy to use, and plug and play.3. Wide Applications: Wide range of applications, suitable for design companies, engineers, individual DIY.4. Detachable: Using sophisticated production technology, removable, only keep the red cap.5. Applicable Scene: With fine workmanship, suitable for IBM laptops and is the perfect laptop accessory.Specification:Item Type: Keyboard TrackpointMaterial: PCBAWorking Voltage: 1.5vOperating Current: <10maPhotoelectric Resolution: 1600dpiConnection Type: UsbInput: 5v 100maUsb Cable Length: Approx. 1m / 1.1yd.Package List:1 xKeyboard Trackpoint