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WARNING
Only charge your ISOtunes Xtra 2.0 with a Maximum 5 Volt charger.
Using a charger higher than 5 Volts could be dangerous and may
damage your ISOtunes Xtra 2.0 product. Be especially careful with
"quick charge" or "turbo charge" chargers, which often supply 9,
12, or 15 Volts. Your ISOtunes Xtra 2.0 cannot be charged at voltage
levels above 5 volts.
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