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