Your Acer notebook tour - 25Right view1 2 3# Icon Item Description1 2-in-1 card readerAccepts one Secure Digital (SD orSDHC) card or MultiMediaCard(MMC).Note: To remove the card, simplypull it from the slot.2 USB port Connects to USB devices.If a port is black it is USB 2.0compatible, if it is blue it is alsoUSB 3.0 compatible (see below).3 USB port withpower-off chargingInformation on USB 3.0• Compatible with USB 3.0 and earlier devices.• For optimal performance, use USB 3.0-certified devices.• Defined by the USB 3.0 specification (SuperSpeed USB).• Supports power-off USB charging, allowing you to charge supportedmobile devices while the notebook is switched off.