Dock/ Headphone/microphone combo jack | Headphone/microphone combo jackUSB Type-CSecurity lock | USB Type-Cسیم کارت خورقلم لمسیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPad | SmartCard readerHeadphone/microphone combo jackKensington security slotUSB Type-C Thunderbolt |