Headphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-Cسیم کارت خورقلم لمسی | Headphone/microphone combo jackKensington security slotSim Card SlotUSB Type-C ThunderboltSmartCard readerSD card reader | Docking StationHeadphone/microphone combo jackButtons for volume up and downSim Card Slot | Dock/ Headphone/microphone combo jackSim Card SlotUSB Type-C Thunderbolt |