Buttons for volume up and downKeyboard base with TouchPadUSB Type-Cقلم : نداردHeadphone/microphone combo jack | Headphone/microphone combo jack | Kensington security slotUSB Type-C ThunderboltSmartCard readerHeadphone/microphone combo jack | Kensington security slotUSB Type-C ThunderboltSD card readerHeadphone/microphone combo jack |