Super Bright: Equipped with highlight wick to illuminate clearly in front of the head. The headlamp also features an aluminum cup which has better reflective performance than ordinary plastic materials. Power Display: The headlamp features a four-grid dazzling blue light power display that allows you to easily check the battery power level. When the battery is fully charged, the lights are all on, and when it is charging, the lights are flashing. When the remaining 25% of the battery is used up, it is important to charge it in time to avoid damaging the battery. Power Bank Function: The headlamp comes with 2 built-in 1200mAh batteries which can emergency charge mobile phones anytime outdoors. Two-speed Dimmable: The headlamp has two dimming speeds that allow you to switch between high and low light mode, making it applicable to any scene. Waterproof: The super bright rechargeable headlamp is equipped with a life-class waterproof feature that makes it easy to deal with inclement weather. Widely Used: The headlamp can be used for a variety of outdoor activities such as exploring caves, running in the dark, camping under the stars and other outdoor activities.