Multifunctional design to meet the functional requirements of riding.USB interface to charge (you can use the home charger, computer or mobile power USB interface charge), using the world's most popular lithium-ion polymer battery (3.7V, 500MAH),reciprocally charging and discharging, charging speed, discharge time is long, usually charging 2-4 hours,discharge time is about 1.5-6 hours.Super waterproof, rubber covered button expansion.6 flash modes: low--medium- -high--50% flashing--full flashing--strobe.
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