NGS Technology Sport Artica Manuel De L'utilisateur page 6

 If you want to pair the headset with other devices, please pair it with the
new device according to steps 1～6 mentioned above.
4. Wearing the headset
As per the following pictures show, hang the headset on the ears with your
both hands. You must use both hands to put on or take off the headset,
don't pull or push the headset.
5. Making calls with the headset
1) Basic conversation operation
Function
Cancel call
Answer call
Status of the headset
Calling mode
Ringing
Operation
Short press multifunction
button one time
Short press multifunction
button one time
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