Headphone/microphone combo jack | Headphone/microphone combo jackUSB Type-CSD card readerSecurity Lock slot | Microphone/Headphone / DockUSB Type-C ThunderboltSecurity lock | شارژر اورجینال تایپ سیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-Cقلم لمسی |