SD card readerHeadphone/microphone combo jackKensington security slotUSB Type-C Thunderbolt | USB Type-Cقلم لمسیشارژر اورجینال تایپ سیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPad | Headphone/microphone combo jackUSB Type-C (USB Power Delivery, DisplayPort) | Headphone/microphone combo jackUSB Type-CSecurity lock |