Samsung Galaxy J1 User Manual page 14

Back camera: Take pictures and record videos.
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Flash: Illuminate subjects in low-light environments when taking
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a photo or recording video.
Headset jack: Connect an optional headset.
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Microphone: Records audio and detects voice commands.
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Speaker: Plays music and other sounds.
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USB charger/Accessory port: Connect the Charger/USB cable
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(included), and other optional accessories (not included).
Getting Started
5
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