Customer Service - Alphatronics Sound 5 ANC Bedienungsanleitung

Charging
Do not switch on the headphones or use the Bluetooth or noise cancellation functions while the
headphones are charging.
If you have not used the headphones for a long time, the battery may not be able to provide
enough power. After repeated charging and discharging, the battery will once again reach the
required performance levels.
If you do not use the headphones for a long time, charge the battery every six months to avoid
undercharging.

CUSTOMER SERVICE

You have purchased this device with a two-year warranty. If you have any problems with the
product, contact the seller.
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