Low Battery Warning; Checking The Battery Level - Sena SPH10H-FM User Manual

SPH10H-FM
• The USB power and data cable is also used for
firmware upgrade of the SPH10H-FM.
• You can use any of the standard micro-USB cables
which is mostly adopted by smartphones and general
Bluetooth headsets manufacturers.
• The charging LED beside the charging port turns on
red while charging, and turns to blue when the headset
is fully charged. It takes about 2.5 hours to be fully
charged.
• You can use the SPH10H-FM while charging. It is
especially helpful when you use a cigarette charger for
a long road trip.

4.4 Low Battery Warning

When the battery is low, the blinking blue LED in stand-
by mode turns to red and you will hear mid-tone triple
beeps and a voice prompt saying "Low Battery".

4.5 Checking the Battery Level

You can check the battery level in two different ways
when the headset is powering on.
4.5.1 LED Indicator
When the headset is powering on, the red LED flashes
rapidly indicating the battery level.
8
4 flashes = High, 70~100%
3 flashes = Medium, 30~70%
2 flashes = Low, 0~30%
4.5.2 Voice Prompt Indicator
When you power on the headset, keep pressing the
Jog Dial and Phone Button simultaneously for about
3 seconds until you hear high tone triple beeps. Then
you will hear voice prompt indicating the battery level.
However, if you release the buttons as soon as the
headset turns on, you will not hear the voice prompt of
battery level indication.