Headphone/microphone combo jackKensington security slotSim Card SlotUSB Type-C ThunderboltSmartCard readerSD card reader | Microphone/Headphone / DockSim Card SlotUSB Type-C | Microphone/Headphone / DockSim Card SlotUSB Type-C | Microphone/Headphone / DockSim Card SlotUSB Type-C |