Headphone/microphone combo jackUSB Type-C | Buttons for volume up and downSim Card SlotDocking StationHeadphone/microphone combo jack | Security lockMicrophone/Headphone / DockUSB Type-C Thunderbolt | Keyboard base with TouchPadUSB Type-Cقلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jackButtons for volume up and down |