Microphone/Headphone / DockUSB Type-C ThunderboltSecurity lock | Headphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-Cقلم لمسیشارژر اورجینال تایپ سی | Headphone/microphone combo jackKensington security slotUSB Type-C ThunderboltSmartCard reader | Headphone/microphone combo jackUSB Type-C (USB Power Delivery, DisplayPort) |