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