Serial Port / Headphone/microphone combo jack | Card Reader: SD, 1 SmartCard | Sim Card SlotUSB Type-C ThunderboltDock/ Headphone/microphone combo jack | 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 |