Serial Port / Headphone/microphone combo jack | Card Reader: SD, 1 SmartCard | | Headphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-Cقلم لمسیشارژر اورجینال تایپ سی | Headphone/microphone combo jackKensington security slotUSB Type-C ThunderboltSD card reader |