Powerful battery with USB cable. The powerful aluminium battery can be fully charged in 2 hours via USB cable and can be used continuously for 30 days. Compatible with any charger or devices with a USB port. Ideal for carrying and travelling. It comes with a free set of 1 travel bag, more convenient to use them together ACCL Water Flosser Cordless Teeth Cleaner, 350ML Portable Cordless Dental Oral Irrigator for Tooth Care Home Use and Travel, 3 Modes with 5 Jet Tips & Travel Bag, Black
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