Description
Tips: Please cover USB in the rain
Product Detail:
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Brand: ROCKBROS
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Name: Light helmet, Cycling Helmet, Bike Helmet, Bicycle helmet
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Power: USB charging
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Feature: Ultralight,Integrally-molded,Insect net helmet
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Function: Waterproof, Shockproof, Safety
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Battery: 2000 Milliampere
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Time: Mighty: about 4 hours
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Low: about 9 hours
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Flash: about 24 hours
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Only side & rear warning light about1month
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Head circumference: 57-62cm
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