4. CHARGING
The device may be not charged upon purchase and must first be charged before use.
1) Open the USB cover on BT 220 NC and connect the provided USB charging cable.
2) Connect the provided USB charging cable with a computer (laptop) or you may also use a
separately purchased USB adaptor (rating: 5V/over 500mA) to begin charging.
USB Charging Cable
5. POWER ON/OFF AND HEADPHONE CONNECTION WAITING MODE
1) Power ON/OFF
- Press and hold the [CALL/POWER] button for two seconds to turn the power on.
- When turning the power off, press and hold the [CALL/POWER] button for three seconds to turn off.
Power On/Off
ON: 2 Sec.
OFF: 3 Sec.
2) Connection Waiting Mode
- When power is turned on, 'Connection Waiting Mode' will start if 'Pairing Mode' cannot be
entered or the headphones cannot connect with 'Bluetooth' device.
- If the 'Bluetooth' device is not connected within 5 minutes in ' Connection Waiting Mode ' ,
the headphones will automatically turn off.
Status
Connection Waiting Mode
Operation
Charging
Charging complete
※This device is equipped with a battery and will automatically
charge once a charging cable is connected.
Status
Operation
Press and hold the CALL/
ON
POWER button for 2 seconds
Press and hold the CALL/
OFF
POWER button for 3 seconds
※ 'Pairing mode will start once the power is turned on for the
first time after purchase'.
Blue light blinks twice in 6 seconds intervals
LED Indicator
Red Light
Blue Light
LED Indicator
Purple light turns
on for 1 second
Red light blinks
5 times
LED Indicator
4