Charging / Battery status
Connect the headphones to a computer or USB AC adapter (sold separately) using the supplied dedicated charging cable to charge the battery.
The charging status can be checked from the status indicator LED on the headphones.
|
Charging status |
Status indicator LED color |
|
Charging |
 |
|
Fully charged |
 |
When using the headphones for the first time after purchase or when the remaining power of the rechargeable battery is low, charge the battery.
The headphones can be used for approximately 4 hours of music playback when fully charged.
It takes approximately 2 hours to fully charge the rechargeable battery from the state of no remaining battery power.
The headphones can be used for approximately 1 hour of music playback after charging for approximately 20 minutes.
The usable time of the headphones differs depending on the temperature of the environment in which they are used and method of use.
NOTE
When the dedicated charging cable is connected to the headphones, the power of the headphones turns off and the mode becomes charging mode. Before use after charging, disconnect the cable from the headphones and turn on the power.
When connecting the dedicated charging 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.
The rating of the charging output should be DC 5 V, 2.4 A or less.
Checking the remaining battery power
The remaining power of the rechargeable battery can be checked from the number of beeps or audio guidance. Furthermore, it can also be checked from the number of times the LED flashes red. Turn on the power and press the call button twice in succession when a call is not in progress.
|
Number of beeps |
Number of times LED flashes red |
Remaining time of rechargeable battery |
|
Four times |
Four times |
Approx. 4 hours |
|
Three times |
Three times |
Approx. 3 hours |
|
Twice |
Twice |
Approx. 2 hours |
|
Alert tone |
Once |
Less than 1 hours |
When the remaining power of the rechargeable battery is running low, the LED flashes red at approximately 3-second intervals together with a beeping sound.
You can also check the remaining power of the rechargeable battery on an iPhone. (*)
The remaining power of the rechargeable battery can be displayed as a percentage (%) on an iPhone, but this number is an approximate value.