Charging

When using the headphones for the first time after purchase or when the remaining battery is low, connect the headphones to a computer or a USB to AC power adapter (not included) using the supplied USB cable.

Conne Battery Charge AHGC20

The Charge/NC indicator blinks during charging. It takes approximately 3 hours to charge the headphones. (The duration time differs depending on the charging output.)

Ope Charge LED AHGC20

100 % charged:

Lights red

50 - 99 % charged:

Blinks red at 2-second intervals

0 - 49 % charged:

Blinks red slowly

You can connect the headphones to a device using the supplied audio cable to enjoy listening to music even if the batteries are drained. link

The headphones can be used for approximately 20 hours of music playback when fully charged.

You can listen to music from a paired Bluetooth device or make phone calls even during charging. In this case, noise may occur in the audio from the headphones depending on the type of computer used.

NOTE

When connecting the USB cable to the charging port, be sure to match the cable connector with the shape of the socket. Forcing the connector into the socket will cause damage.

A rating of the charging output should be DC 5 V, 2.4 A or less.

The usable time of the headphones differs depending on the temperature of the environment in which they are used and method of use.

The power turns off when the USB cable is connected to the headphones during use. Turn on the power again to continue using the headphones.

Checking the remaining battery power

When the power is on (Turning the power onlink), press the Call button twice to check the remaining battery power.

Ope Check Battery AHGC20

Remaining battery

Indicator

Beep sound

90 – 100 %

Blinks four times

Four times

60 – 89 %

Blinks three times

Three times

30 – 59 %

Blinks twice

Twice

10 – 29 %

Blinks once

Once

The remaining battery power cannot be checked when a phone call is in progress.

When the amount of remaining battery is running low, the indicator flashes red at three second intervals together with a beeping sound.

If the battery runs out during use, a beeping sound is heard and the power of the headphones turns off.

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