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Key Definitions
Earphone/
Charge Plug
Power Switch
LED Indicator
Signal Descriptions
Search Mode：
Unlinked：
Connected：
Music Mode：
Phone：
Incoming call：
Communication Mode Exchange： 3 Red/Blue flash only
Hint for Communication Mode：
Erase Pairing List:
Music Equalizer Mode
H501 is equipped various Music Modes for user preferences.
Each mode has its own preset equalizer levels. Press the
Power Switch twice totoggle the EQ Mode in sequence：
Normal, Bass, Treble, Rock, and Jazz.
＋
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Red/Blue indicator lights
Blue blinks twice every 2 seconds
1 Blue flash every 6 seconds
2 Blue flashes every 6 seconds
3 Blue flashes every 6 seconds
Blue flashes continuously
Air：Red flash once
Bone：2 Red flashes
2 slow Red flashes
Volume Up Button
Volume Down Button
3
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