Thank you for viewing. This is a junk LENOVO G550 2958 laptop. Basic operations have been verified, but it does not have a Windows OS. LinuxMint (Cinnamon) is installed. Japanese version of LibreOffice is installed, so you can start creating documents immediately after purchase. There are minor scratches and sticker marks, but the exterior is in good condition. Manufacturer: LENOVO Model/Model Number: G550/2958 OS: Linux Mint (Cinnamon) CPU: Intel Celeron Dual-Core CPU T3500 2.1GHz Memory: 4GB Storage: HDD 320GB LCD: 15.6 inch Color: Black Optical Drive: DVD-R, DVD-RW Ports: USB port x 3, D-Sub, LAN port, Earphone, Microphone Accessories: AC adapter There is no SD card slot. There is no wireless LAN. The battery condition is good, but I felt that the battery life was quite short. There is no Bluetooth. *This product is only a used item, so there are scratches on the exterior and a feeling of use on the keyboard. We cannot accept warranty or returns, so please consider this before purchasing. (Management number EJ0040)