Syma Toys F4 - Manual (Page 3)

-2-
A. Pull out the battery
line from helicopter
C
Take out the USB charging wire, connect one end to the battery wire, then insert
the USB port to the USB port of the remoter or the computer to charge the battery.
During the time of charging, the indicator of USB charging wire will be ON. When it
fully charged, the indicator will be OFF.
Battery Installation
S
CHARGING HELICOPTER