Buttons for volume up and downDocking 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 | Security lockMicrophone/Headphone / DockUSB Type-C Thunderbolt |