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Product overview
HD 458BT | 7
Overview of the LED display
During operation
During phone calls
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
LED Meaning; the headphones
flashes blue 3x switch on
flashes blue 3x
are connected to a device via Blue-
tooth
flashes red/
blue
are in Bluetooth pairing mode
flashes red 3x
are not connected to a device via
Bluetooth or the connection has been
lost
flashes purple
3x
ANC is activated/deactivated
LED Meaning
flashes blue Incoming call
flashes red
Incoming call and the rechargeable
battery of
the headphones is almost empty
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).
3x
3x
3x
3x
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