Headphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-Cقلم لمسیشارژر اورجینال تایپ سی | Headphone/microphone combo jackUSB Type-CSecurity lock | Headphone/microphone combo jackKensington security slotUSB Type-C ThunderboltSmartCard reader | Microphone/Headphone / Dock |