【Powerful Function】This headlamp has a dual light source design, you can switch the light mode according to different scene needs.The angle of the light head is adjustable, which is convenient for users to use it at various angles. In addition, it also has a waterproof function, whether it is used in rainy days or near water, it can ensure normal work.The smart USB charging function makes charging more convenient and meets the lighting needs of users in different scenarios. 【Multiple Light Modes】This headlamp is equipped with multiple light modes, including high light, low light, flashing, SOS and other modes, which can meet users' lighting needs in different scenes. Whether you are on an adventure, running at night, camping or maintenance work, you can find the most suitable light mode.And users can switch light modes as needed at any time, which is very convenient. 【Adjustable Headband】The headband design of this headlamp is very humanized and can be freely adjusted according to the user's head size.Regardless of the user's head size, you can find the most comfortable way to wear. In addition, the headband material is breathable, long time wearing is not easy to produce a stuffy feeling, very suitable for long time outdoor activities. 【USB Charging】This headlamp supports USB charging function, users can use cell phone charging head, mobile power or laptop and other devices to charge it.Charging is convenient and fast, and will not be limited by the power, very suitable for outdoor activities enthusiasts.