Volume Control For Earphones
Related Faq
Q
Can you control wirelessly?
A
Yes, you can preview and shoot via the app on your phone. 
Q
Is the threshold CO level for triggering the alarm adjustable? Is the volume of the buzzer alarm adjustable, or defeatable?
A
Thank you for contacting us. This portable CO gas monitor can freely set the concentration of the alarm value. The sound can be turned on or off The operation is as follows: In the test interface short press the button to turn off the sound (the default is to turn on the sound at boot), at this time the speaker pattern in the upper left corner of the screen disappears. Short press the button again to turn on the sound again." 
Q
Can I connect Bluetooth earphones from other brands?
A
Yes, M3 can be connected to any brand of Bluetooth earphones for intercom. 
Q
How does the touch control work?
A
Touch up and down with your finger 
Q
Does this product come with a remote control?
A
This does not come with a remote control. You need to manually click the buttons to change the brightness and colour.  
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