USB Type-C ThunderboltSecurity lockMicrophone/Headphone / Dock | Buttons for volume up and downKeyboard base with TouchPadUSB Type-Cقلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jack | Kensington security slotUSB Type-C ThunderboltSD card readerHeadphone/microphone combo jack | Kensington security slotUSB Type-C ThunderboltSD card readerHeadphone/microphone combo jack |