SD card readerHeadphone/microphone combo jackKensington security slotSim Card SlotUSB Type-C ThunderboltSmartCard reader | Headphone/microphone combo jackKensington security slotUSB Type-C ThunderboltSD card reader | Dock/ Headphone/microphone combo jack | شارژر اورجینال تایپ سیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-Cقلم لمسی |