WISDOM model KL4MS LED cap lamp is the first miners cap lamp that can use USB to charge in the world, it defeats all our competitors, KL4MS is improved based on KL5M, it is with high performance, 11000 lux, 13 working hours, high capacity 4400mah, the price is very competitive during the promotion period. By USB line via our power supply or Iphone, Ipad charger 5V 2A, only 3.5 hours to full charge KL4MS miners cap lamp, via any charging devices l

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