Instructions  
Turn On/Off: Press and hold the "O" / ⏻  button to 
power the headphones on or off."
Adjust Volume: Press the upward arrow(+) to 
increase the volume. Press the downward arrow(-) 
to decrease the volume.)"
Pairing New Devices: Make sure the detector or 
smartphone is under paring mode. When the 
headphones are off, hold the power button for 5 
seconds to enter pairing mode for connecting with 
a new detector or smartphone."
Erase All Pairings(reset): To remove all previously 
paired devices, turn off the headphones and then 
hold the power button for 10 seconds."
Fit Adjustment: If the headphones feel too tight on 
your head, extend the arms to ensure your whole 
ears fit comfortably inside the ear cups."
Volume Safety: For the safety of your hearing, 
avoid setting the volume too high."
Wired Connection: If the battery is drained, use a 
3.5mm to 3.5mm audio cable to connect the 
headphones to the detector."
Initial Charge: Before using the headphones for 
the first time, make sure to fully charge them.