Features
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Features

This section lists the features of the
FR55
.
Front and Side Views
Test
Front and Side Items
Number
Item
Description
1
6 in. LCD touchscreen
Displays all information needed to operate the device.
2
Front Camera (8MP)
Takes photos and videos.
3
Receiver
Use for audio playback in Handset mode.
4
Proximity/light sensor
Determines proximity and ambient light for controlling display backlight intensity.
5
Battery status LED
Indicates battery charging status while charging and application-generated notifications.
6
Programmable button
A customizable button with the default value being none.
7
PTT button
Typically used for PTT communications. Where regulatory restrictions exist, this button is configurable for use with other applications.
8
Volume up/down button
Increase and decrease audio volume (programmable).
Back and Top View
Test
Back and Top Items
Number
Item
Description
1
Microphone
Use for communications in Handset/Handsfree mode, audio recording, and noise cancellation.
2
Emergency duress button
Can be used to send an emergency alert.
3
Back common I/O 8 pins
Provides host communications, audio, and device charging via cables and accessories.
4
Battery release latches
Pinch both latches in and lift up to remove the battery.
5
Battery
Provides power to the device.
6
Hand strap points
Attachment points for the hand strap. 
7
Rear camera (16MP) with flash
Takes photos and videos with flash to provide illumination for the camera.
8
Power button
Turns the display on and off. Press and hold to power off, restart, or lock the device.
Bottom Views
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Bottom Items
Number
Item
Description
10
Speaker
Provides audio output for video and music playback. Provides audio in speakerphone mode.
11
DC input pins
Power/ground for charging (5 VDC through 9 VDC).
12
Microphone
Use for communications in Handset/Handsfree mode, audio recording, and noise cancellation.
13
USB Type C and 2 charge pins
Provides power to the device using an I/O USB-C interface with 2 charge pins.