Headphone/microphone combo jackKensington security slotLenovo Ethernet extension connectorOneLink connector | Dock/ Headphone/microphone combo jackSim Card Slot | سیم کارت خورقلم لمسیHeadphone/microphone combo jackButtons for volume up and downKeyboard base with TouchPadUSB Type-C | Dock/ Headphone/microphone combo jackSim Card Slot |