User's Manual
10 | MB Pro1 | MB Pro 2
Putting the headset into operation
Putting the headset into operation
Charging the headset battery
A complete charging cycle takes about 2 hours and 30 minutes. Before using
the headset for the first time, charge the rechargeable battery for a complete
charging cycle without interruption.
A charging time of ... corresponds to a talk time of ... LED flashes
approx. 10 min less than 1 hour
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approx. 20 min between 1 and 2 hours
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approx. 40 min
between 2 and 4 hours (BRIAN we
need your help here: Quick Guide
40mins=7.5 hours talk time...)
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approx. 60 min between 4 and 10 hours
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approx. 2 h 30 min up to 15 hours
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1. Take off the headset and switch it off (see page14).
2. Place the headset into the magnetic holder of the headset charger.
3. Connect the USB plug of the charging cable to the USB socket of your com-
puter, the corresponding USB car charger (optional accessory) or power supply
unit (optional accessory).
4. The battery is being charged. The LED flashes depending on the battery charge
level. After 5 minutes, the LED goes off. Press the multi-function button to
check the battery charge level. When the battery is fully charged, the LED
lights up blue constantly.
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When the battery charge level drops below 15 minutes of talk time, the LED
flashes red and the voice prompt “Recharge headset” is announced several
times. When the battery is flat, the headset switches off automatically.
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