Huawei TalkBand B3 Quick Start Manual page 19

· When the headset is not attached to the strap,
press the side button to answer a call.
· Press and hold the side button or swipe up on
the screen to reject a call.
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Wear the headset and begin the call.
If the earcap does not fit properly, replace it with
one of the spare earcaps from the package.
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