Microphone/Headphone / Modem / FireWire / Dock | USB Type-Cقلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPad | Microphone/Headphone / DockUSB Type-C ThunderboltSecurity lock | SD card readerHeadphone/microphone combo jackKensington security slotUSB Type-C Thunderbolt |