Dock/ Headphone/microphone combo jackSim Card Slot | USB Type-C ThunderboltSD card readerHeadphone/microphone combo jackKensington security slot | Microphone/Headphone / Dock | Keyboard base with TouchPadUSB Type-Cقلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jackButtons for volume up and down |