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Product overview
Volume – button (volume down)
Volume + button (volume up)
3-way multi-function button for music and call functions
Voice assistant button
Ear pads
Speech microphones (2 pcs.) for phone calls
Overview of the LED display
During operation
LED
flashes blue 3x switch on
3x
flashes blue
3x
flashes blue 3x
flashes red/
blue
flashes red 3x
3x
flashes purple
3x
3x
During phone calls
LED
flashes blue
flashes red
If the LED does not light up immediately during charging, clean
the charging contacts and charge the headphones until the
LED lights up again (> 11).
Meaning; the headphones
are switched on
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
ANC is activated/deactivated
Meaning
Incoming call
Incoming call and the rechargeable
battery of the headphones is almost
empty
HD 458BT | 7
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