Headphone/microphone combo jackButtons for volume up and downDocking Station | USB Type-C ThunderboltSecurity lockMicrophone/Headphone / Dock | Sim Card SlotUSB Type-CMicrophone/Headphone / Dock | Buttons for volume up and downKeyboard base with TouchPadUSB Type-Cقلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jack |