Dual light source strong light lighting design：Provide high-brightness lighting for night riding, the high-brightness T6 wick releases strong light, illuminates the dark front, and escorts your night riding journey. Side Safety Fog Lights：Deal with the weather with extremely poor visibility such as haze and rainy days, so that you can ride safer in foggy days. USB Charging & Power Bank：Built-in large-capacity battery provides sufficient power for lighting and mobile phone charging, and it only takes 2.5 hours to fully charge for a long running time. The USB bike light can also charge or illuminate your phone, so you don't have to worry about dead or dark phone even when you're outdoors. Multifunctional：This LED bike light set is versatile, suitable for cycling, hiking, camping or any outdoor activities, it can be used as a phone holder, emergency flashlight and power bank. And built-in speaker, the highest decibel can reach 130dB, in an emergency, you can easily press the button to warn others. Easy to Install：It only takes a few seconds to install without additional tools. The headlights come with mounting brackets for easy attachment to the handlebars. An external linear switch makes riding control easier and meets all your needs.