27Chapter 1Getting StartedOverviewTop View213 5 6 7 841 Ear-set / headsetJackThis is the jack for connecting an ear-setor headset.2 Microphone You can use the built-in microphone.3 Power Button Turns the computer on and off.4 Power Button LED When the computer is on, the powerbutton LED is lit.5 Rotation LockLocks the screen rotation so that thescreen does not automatically rotateaccording to the orientation function ofthe product.6 USB 2.0 PortYou can connect USB devices to the USBport such as a keyboard/mouse, digitalcamera, etc.7 Micro SD Card Slot This slot is for micro SD cards.8 SIM Card Slot(Optional) This slot is for SIM cards.