Product overview
Overview of the LED indications
LED indications during operation
LED
1s
2s
2s
LED indications during calls
LED
Meaning
The headphones switch on
Pairing/connecting with a device is successful
The headphones switch off
The headphones are disconnected from the
device
The headphones are outside the Bluetooth
range of the device
Pairing with a device is unsuccessful
The headphones are in pairing mode
The device is/devices are successfully cleared
from the headphones
The headphones are in idle mode (headphones
are paired but not connected to the device)
Meaning
Incoming call
Incoming call with an almost empty battery
HD 4.40BT
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