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9. Button Functions
Function
Operation
Toggle unit on / off
Toggle the power switch
Bluetooth pairing
mode
When the speaker is on, press and hold
Play
button for 3 to 4 seconds
Refuse incoming call
Push and hold the
Play
button for 2
seconds
Switch call between
phone and B-TREK
Push and hold the
Play
button for 2
seconds
Answer call / End call
Press and release
Play
button quickly
Redial last number
Press and release
Play
button twice
(double click)