Dock/ Headphone/microphone combo jack | Buttons for volume up and downKeyboard base with TouchPadUSB Type-Cسیم کارت خورقلم لمسیHeadphone/microphone combo jack | Kensington security slotSim Card SlotUSB Type-C ThunderboltSmartCard readerSD card readerHeadphone/microphone combo jack | Sim Card SlotDock/ Headphone/microphone combo jack |