1. US version computer keyboard for Lenovo ideapad S300 S400 S405 S400T S400u M30-70 2. Replace your broken or unworkable part with a new one 3. Each item has been checked and in good condition before shipping 4. Highly recommend professional installation. We will not be responsible for any damages to your device that you may cause during the changing of replacement parts 5. Completely fit and work
