HD 4.40BT | 1
Contents
Contents
Important safety instructions ...................................................................................2
The HD 4.40BT wireless headphones ........................................................................4
Package includes ..........................................................................................................6
Product overview .........................................................................................................7
Overview of the headphones .................................................................................... 7
Overview of pictograms ............................................................................................. 7
Overview of the LED indications ............................................................................... 9
Overview of buttons .................................................................................................10
Getting started ......................................................................................................... 12
Charging basics ..........................................................................................................12
Pairing the headphones ...........................................................................................14
Adjusting the headband ..........................................................................................18
Using the headphones ............................................................................................. 19
Switching the headphones on ................................................................................19
Switching the headphones off ................................................................................ 19
Adjusting the volume ...............................................................................................20
Playing music ............................................................................................................ 21
Controlling music playback ......................................................................................22
Making calls on the headphones ........................................................................... 23
Voice control function ............................................................................................... 25
Using the audio cable .............................................................................................. 26
Care and maintenance ............................................................................................. 27
Replacing the ear pads .............................................................................................27
Storage and handling ...............................................................................................28
Replacing/removing the rechargeable battery ...................................................29
Troubleshooting ........................................................................................................ 30
Leaving the Bluetooth transmission range .......................................................... 31
Clearing previously paired devices .........................................................................31
Specifications ............................................................................................................ 32
Trademarks ................................................................................................................ 33
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