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Redial last number

When standby, double press MFB.

Note: This function is phone dependent.

Double press

Mute

When on a call, double press MFB.

Double press

Next/Previous track

When playing music, long press Vol +/- for 1 second

Long press

Adjust volume

When on a call or playing music, short press Vol +/- once.

Short press

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QCY QY19 Specifications

General