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Product overview
Overview of the LED display
During operation
LED
3x
flashes blue 3x switch on
flashes blue 3x
3x
flashes red/
blue
flashes red 3x
3x
During phone calls
LED
flashes blue
flashes red
If the LED does not light up immediately during charging, clean
the charging socket and charge the headphones until the LED
lights up again (> 11).
Meaning; the headphones
are connected to a device via Blue-
tooth
are in Bluetooth pairing mode
are not connected to a device via
Bluetooth or the connection has been
lost
Meaning
Incoming call
Incoming call and the rechargeable
battery of the headphones is almost
empty
HD 350BT | 7
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