Security Lock slotHeadphone/microphone combo jackUSB Type-CSD card reader | Microphone/Headphone / DockUSB Type-C ThunderboltSecurity lock | Microphone/Headphone / DockUSB Type-C ThunderboltSecurity lock | USB Type-Cقلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPad |