Dock/ Headphone/microphone combo jackSim Card SlotUSB Type-C Thunderbolt | Headphone/microphone combo jackKensington security slotUSB Type-C ThunderboltSmartCard reader | Headphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-Cسیم کارت خورقلم لمسی | Headphone/microphone combo jackUSB Type-C (USB Power Delivery, DisplayPort) |