Dock/ Headphone/microphone combo jackSim Card Slot | SmartCard readerSD card readerHeadphone/microphone combo jackKensington security slotSim Card SlotUSB Type-C Thunderbolt | Dock/ Headphone/microphone combo jackSim Card Slot | قلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-C |