Dock/ Headphone/microphone combo jack | Headphone/microphone combo jackUSB Type-CSecurity lock | SD card readerHeadphone/microphone combo jackKensington security slotSim Card SlotUSB Type-C ThunderboltSmartCard reader | قلم لمسیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-Cسیم کارت خور |