mini rechargeable led headlamp motion sensor led bicycle head light lamp outdoor camping flashlight with usb charging

usage:
it is suitable for coal mine, mineral industry, tunnel projects, construction and maintenance for power, communication, highway, railway at night, night lamp for cutting off rubber plant battery (lithium ion)
it adpot new styled lithium ion battery which is with over-charging, over-discharging and a short circuit protection function. led: it adpot 1w high-power led, the life is more than 100000 hours. charger(lithium ion):
it adpot isopiestic pressure current limiting charging way. it`s setting value volatge is 4.2v(normal charging voltage is 4.2v)..syi