Dock/ Headphone/microphone combo jackSim Card Slot | Headphone/microphone combo jackUSB Type-CSD card readerSecurity Lock slot | Docking StationHeadphone/microphone combo jackButtons for volume up and downSim Card Slot | قلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-C |