Dock/ Headphone/microphone combo jack | Headphone/microphone combo jackKensington security slotSim Card SlotUSB Type-C ThunderboltSmartCard readerSD card reader | Headphone/microphone combo jackKensington security slotUSB Type-C ThunderboltSmartCard reader | Headphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-Cسیم کارت خورقلم لمسی |