Lenovo 1Y Post Warranty Advanced Service + YourDrive YourData. Number of years: 1 year(s), Service time (hours x days): 24x7, Response time: 2 h, Type: On-site
Lenovo 7M57A04698. Form factor: Ambidextrous. Movement detection technology: Optical, Device interface: USB Type-A, Movement resolution: 400 DPI, Buttons type: Pressed buttons, Scroll type: Wheel. Power source: Cable. Product color: Black