Headphone/microphone combo jackButtons for volume up and downSim Card SlotDocking Station | | Buttons for volume up and downKeyboard base with TouchPadUSB Type-Cقلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jack | Kensington security slotUSB Type-C ThunderboltSmartCard readerHeadphone/microphone combo jack |