Samsung Galaxy S6 User Manual page 17

Infrared transmitter: Control external devices using infrared light.
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Flash: Illuminate subjects in low-light environments when taking a
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photo or recording video.
Heart rate sensor: Measure your heart rate using your fingertip
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when using the S Health
"S Health" on page 136.
Headset jack: Connect an optional headset.
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USB charger/Accessory port: Connect the USB charger (included)
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and other optional accessories (not included).
Microphone: Record audio and detect voice commands.
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Speaker: Play music and other sounds.
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SIM card tray: Install the SIM card here. For more information, see
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"Install the SIM Card" on page 6.
Rear camera: Take pictures and record videos.
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Getting Started
app. For more information, see
™
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