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②Volume keys
Press the +/- keys to control volume level.
③Touch screen
Convenient 5-point capacitive touch screen.
2.2
Ports
①Headphone jack：3.5 mm headphone port.
②Mini-
USB port: Connect your PC to the device via a USB for data transferring. An OTG cable may be
used in the port for accessing U-disks. The port may also be used to connect expansion devices, such as a
keyboard or mouse.
③Micro-SIM
card slot:
When you select 3G wireless service, you will need to purchase a USIM/SIM card
④HDMI output port：Mini-HDMI high-definition output; the HDMI video output connection may be
connected with an HDMI display device via an HDMI cable.
⑤Micro-SD (TF) card slot: may be used to expand the external TF card, supports up to 32 GB.
⑥Power connector: Connects the power adapter to the device for battery charging.
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3.1 Battery charging and maintenance
When using in the first time, please charge the battery until it is fully charged. Charging can be
performed with just the power adapter. For the first two times, charge the device for 6 hours.
Subsequently, simply charge the device until the battery indicator shows that the device is fully
charged. The device uses a built-in polymer battery. The appropriate adapter must be used in
