User's Guide

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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.
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L
R
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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
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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.
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You can also check the remaining power of the rechargeable battery on an iPhone. (*)
z
The remaining power of the rechargeable battery can be displayed as a
percentage (%) on an iPhone, but this number is an approximate value.
Contents Preparation Connections Operation Troubleshooting Appendix
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