Brand: Dell Human Interface Input: Microphone, Keyboard Operating System: Windows 10 Hard Disk Description: SSD Hardware Interface: Bluetooth, USB, HDMI, Headphone, Media Card CUSTOMlZED, Professional Upgraded to: 4GB RAM 128GB SSD Equipped With The Strongest and Powerful Enough Intel Celeron Processor 4000 Series, Intel Dual-Core Celeron 4205U, (1.8GHz Processor Base Frequency, 2 MB Intel Smart Cache, 2 Threads) 15.6 inch HD ( 1366 x 768 ) Anti-Glare LED-Backlit Display I Integrated Intel UHD Graphics 610 1 x SD Card Reader, 1 x USB 2.0, 1 x Wedge-Shaped Lock Slot, 1 x Power, 1 x HDMI, 2 x USB 3.1, 1 x headphone/microphone combo Microsoft Windows 10 in S mode 802.11 ac with WI-FI, Wireless LAN, Bluetooth 4.1, Built-in HD Webcam.