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 | USB Type-C ThunderboltSD card readerHeadphone/microphone combo jackKensington security slot | Headphone/microphone combo jackUSB Type-C |