Serial Port / Headphone/microphone combo jack | Card Reader: SD, 1 SmartCard | | USB Type-C ThunderboltDock/ Headphone/microphone combo jackSim Card Slot | Keyboard base with TouchPadUSB Type-Cقلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jackButtons for volume up and down |