Dock/ Headphone/microphone combo jackSim Card SlotUSB Type-C Thunderbolt | SD card readerHeadphone/microphone combo jackKensington security slotUSB Type-C Thunderbolt | Headphone/microphone combo jackUSB Type-C (USB Power Delivery, DisplayPort) | USB Type-Cقلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPad |