Dock/ Headphone/microphone combo jack | SmartCard readerSD card readerHeadphone/microphone combo jackKensington security slotSim Card SlotUSB Type-C Thunderbolt | Dock/ Headphone/microphone combo jackSim Card Slot | سیم کارت خورقلم لمسیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-C |