Dock/ Headphone/microphone combo jack | SmartCard readerHeadphone/microphone combo jackKensington security slotUSB Type-C Thunderbolt | USB Type-Cسیم کارت خورقلم لمسیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPad | Dock/ Headphone/microphone combo jackSim Card SlotUSB Type-C Thunderbolt |