Docking StationHeadphone/microphone combo jackButtons for volume up and downSim Card Slot | Headphone/microphone combo jackUSB Type-CSecurity lock | Headphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-Cقلم لمسیشارژر اورجینال تایپ سی | Dock/ Headphone/microphone combo jackSim Card SlotUSB Type-C Thunderbolt |