4.Set your Bluetooth phone to ‘discover’ the Hisense HB420S
Follow your phone’s instruction guide. This usually involves going to a ‘setup,’ ‘connect’ or ‘Bluetooth’ menu on your phone and selecting the option to ‘dis- cover’ or ‘add’ a Bluetooth device. * (See example from a typical mobile phone).
5.Your phone will find the Hisense HB420S
Your phone will then asks if you want to pair with it. Accept by pressing ‘Yes’ or ‘OK’ on the phone and confirm with the passkey or PIN = 0000 (4 zeros). Your phone will confirm when pairing is complete.
In case of unsuccessful pairing, repeat steps 1 to 5
Wearing Your HB420S Headset
Your HB420S is designed to be comfortably worn with the neckband behind your head. The microphone is integrated in the right side.
When wearing the headset, to prevent damaging the headset avoid pulling one side, always use both hand to wear or take off the headset
How to…
Answer a Call
press the 3 way MFB 
(see fig. in page 6) on your headset to answer a call.
End a Call
press the 3 way MFB 
to end an active call.
Make a Call
When you make a call from your mobile phone, the call will (subject to phone settings) automatically transfer to your headset. If your phone does not allow this feature, press and hold for 2 seconds on the Hisense HB420S’s 3 way MFB 
to transfer the call to the headset.
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