LG FR74 Owner's Manual page 10

10 10 Starting the LG Heart Rate Earphones
Charging battery
Using the USB cable
You can charge LG Heart Rate Earphones using the USB cable.
Connect USB cable to LG Heart Rate Earphones for charging.
2
,
Note
Fully charge the device before using for the first time.
To use LG Lifeband Touch for the first time or after leaving for long, charge the battery first before
use.
When the battery is completely empty, It takes 3 hours to fully charge battery.
LED lights on red while charging. LED lights off when charged.
To charge this product, you must always use a DC 5V, 200mA or more. Certified /Listed Adapter
which complies with LPS.
DC Adapter
is not
supplied.