Usb rechargeable headlamp: This head torch is charged using a USB charging cable and you can charge from multiple USB devices, When fully charged, the headlight can run for up to 8 hours under low floodlights and up to 3 hours under high spotlights.Super Bright & COB LED technology: Adopting advanced COB-LED technology, the headlight provides super bright, stable and uniform light with low power consumption. This effectively prevents eye strain and discomfort caused by glare. You can see the environment more clearly, which makes your nighttime activities safer.Lightweight and Waterproof: The headlamp is soft and foldable, 115 grams, easy to carry and wear. The daily waterproof function can stay for a short time in rainy and snowy weather, but it needs to leave the humid environment as soon as possible and wipe off the moisture. And do not immerse it in water.Zoomable & Rotatable : The head can be rotated up and down to 45 degrees ;Instead of swiveling the aperture, you can stretch out and draw back the head to active its zoomable features and change the focus from broad illumination to a narrow long range beamFree Up Both Hands in the Dark: A necessary hand tool for varieties of scenarios, not only outdoor but also indoor activities,headlamps for camping, caving, climbing, mountaineering, fishing, hunting, car repairing, DIY works or emergency.