release both the Multifunction and Volume Up “+” buttons.

•To mute or unmute the microphone during a call, press and release both the Volume Up “+” and Volume Down “-“ buttons.

•To transfer an ongoing call between the WP-450 and your mobile phone, press and hold the Multifunction button for 2 seconds and release.

•Note that features such as voice dial, last number redial or three-way call are phone dependent.

Clear or reset headset

•Press and hold the Volume Down “-” and Multifunction buttons for more than 6 seconds to clear the paired Bluetooth devices

•If the headset malfunctions, reset it by supplying USB power, then press the Volume Up “+” and Multifunction buttons for about 1 second

Automatic shutdown

•Once the headset is powered on, if it is unable to connect to the last paired device or failed to pair with a new device within 5 minutes, the headset will automatically shut down.

List of button, indicator and connector / port functions

Button

Function

1.

Power: Press and hold for 2 seconds to

Multifunction

power on the headset. Press and hold for

3 seconds to power off the headset.

(Power /

Pair: In off mode, press and hold for more

Pair / Call)

than 5 seconds to activate Pairing mode.

 

 

Call: Press and hold for 1 second to

 

activate voice dial. Press and hold for 2

 

seconds to redial the last called number

 

when no call is in progress. Press and

 

release to answer or end an incoming

 

call. Press and hold for 2 seconds to

 

reject a call during an incoming call.

 

Press twice to accept a call waiting

 

and put on hold the ongoing call. Press

 

together with ‘+’ button and release to

 

initiate a three-way call.

2.Press to play. Press again to pause

playback.Play / Pause

3.

 

 

 

 

/

 

Press to change to the next or previous

 

 

 

 

 

 

 

 

 

track. Press and hold to scroll forward or

 

 

 

 

Next,

 

Forward /

backward a track (device dependent).

 

 

 

Previous,

 

 

Backward

 

 

 

 

 

 

 

 

 

 

 

4.

 

 

 

/

 

 

Press ‘+’ to increase or press ‘-’ to

 

Volume Up

decrease volume. A beep tone is emitted

 

at maximum volume level. Press and

 

/ Volume

 

release both ‘+’ and ‘-’ to mute or unmute

 

Down

 

 

 

 

 

the microphone during a call.