![background image](http://html.mh-extra.com/html/bluebird/ef501/ef501_user-manual_2777322012.webp)
3 Overview
6
No. Name
Description
7
Menu button
Displays more option menus. If you tap and hold this button for a few
seconds, the apps you previously opened will be listed. Tap any app to open
it.
8
Home button
Returns to the Home screen.
9
Speaker
Emits sound.
0
Back button
Returns to the previous page or menu.
!
Multi-purpose jack
Connects your device with other devices, such as a computer, via a USB
cable.
@
Power button
Turns the device or screen on or off. You can lock the device by turning off
the screen.
#
Right button
Functions as the barcode scan button. You can also change the functions
of the Right button. For more information, refer to
$
Front camera
Takes selfies and records videos (2 Megapixel). You can use it when you have
a video call.