Motorola HX550 Manual page 12

Caller ID
If your phone knows your caller's number, then you hear "call from
<number>" on an incoming call.
Talk time
Press and hold both Volume buttons while not on a call.
Status light Voice prompt
red
"battery level is low"
yellow "battery level is medium"
green "battery level is high"
To save battery power, turn off the headset when you don't use it for an
extended time.
English
Remaining talk time
less than 1.5 hours
between 1.5 to 3.5 hours
more than 3.5 hours
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