The computer is professionally upgraded and customized. The manufacturer's box will be opened by our professional engineers for customization and testing. Factory defects and imperfections are significantly reduced through our in-depth inspection and testing. We offer a 12-month warranty; please feel free to contact us if you need any support from our team. Processor Model Core 5 120U # of Cores 38 ES # of Performance Cores 34 ES # of Efficiency Cores 36 ES Total Threads 40 ES Maximum Turbo Frequency Up to 5 GHz Maximum Efficiency Core Turbo Frequency 3.8 GHz Graphics Intel Graphics Interface 2 USB A. 2 USB C. 1 HDMI. 1 SD Card Reader. 1 Headphone/Microphone Combo. Connectivity WiFi 6E and Bluetooth Operating System Windows 11 Home Other Dimensions: 12.36 x 8.9 x 3.77 in Weight (approximate): 0.74 lbs