Yyk525 User Manual Exclusive -
: Use the MFB button to answer, end, or reject incoming calls.
: Ensure the headset is powered off. Press and hold the Multifunction Button (MFB) or the dedicated switch button for approximately 3 seconds until the indicator light flashes red and blue alternately . yyk525 user manual exclusive
: Press and hold the switch button for 1–3 seconds to power on; hold for 5 seconds to power off. : Use the MFB button to answer, end,