Figure 2. Rear Panel of VIP-191
Keypad Description
1 Loudspeaker
The sounds will sent out from here.
2 Battery
Cover
It can remove the battery cover to install/ un-install battery.
3 USB
It can connect the USB adapter charge to charge, or
connect USB cable to carry out synchronization with PC.
Table 2. Rear view description of VIP-191
Side view and keypad function:
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