Nokia BH-904 - Manual (Page 6)

ENGLISH
the AC-6 charger for 15 minutes
provides up to 5 hours of talk time.
3. When the battery is fully charged,
the green indicator light is
displayed. Disconnect the charger
from the headset, then from the
wall outlet. Push the cover over the
charger connector.
To charge the headset with a
compatible Nokia charger that has a
2.0 or 3.5 mm charger plug, use the
Nokia Charger Adapter CA-146C (sold
separately).
To charge the battery through the USB
port of a compatible PC, connect one
end of the Nokia Connectivity Cable
CA-101 (sold separately) to the
charger connector and the other end
to the USB port.
The fully charged battery has power
for up to 8 hours of talk time or up to
160 hours of standby time.
To check the battery charge when the
headset is not connected to a charger,
press the power key when the headset
is switched on. If the indicator light is
green, the charge level is sufficient. If
the light is yellow, you may need to
recharge the battery soon. If the light
is red, recharge the battery.
When the battery charge is low, the
headset beeps every 5 minutes and
the red indicator light flashes.
Switch on or off
To switch on, press and hold the power
key for about 2 seconds. The headset
beeps, and the green indicator light is
displayed. The headset tries to
connect to one or two last connected
devices. When the headset is
connected to a device and is ready for
use, the blue indicator light flashes
slowly. If the headset has not been
paired with a device, it automatically
enters pairing mode.