Charging Your Headset - Plantronics Calisto II User Manual

Before using, you must fi rst charge your headset. The indicator light glows
solid red while charging and turns off when the headset is fully charged.
Charge the headset for a minimum of 2 hours.
Battery talk time is up to 8 hours.
NOTE Do not use headset while charging and do not connect the charger
while headset is in use.
NOTE For your convenience, the headset comes pre-paired with the USB
Bluetooth adapter, and (if the headset is within range) will automatically
connect to the adapter when powered on.
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Charging Your Headset