Convenient to Use: Easily attach this solar-powered bicycle headlight; no tools required, fearlessly withstand rainy weather, and enjoy the simplicity of use with adjustable rubber straps, perfect for any outdoor adventure. Road Safety Booster: With our Solar Powered Bicycle Headlight, you'll get a 120 dB clear sound alert that efficiently warns pedestrians and vehicles. Choose from 5 sound modes and enjoy the speaker design's unique features for top-notch alertness, enhancing your safety on the road. Improved Riding Experience: Experience a safer journey with our solar-powered headlight, casting a bright beam up to 200 meters, ensuring high brightness for a smoother ride. Efficient Charging: Seamlessly integrating a solar panel design, this bicycle headlight charges swiftly via USB, ensuring the power ceases upon full charge, while a rubberized cover protects the interface, effectively barring rainwater. Adaptable Visibility: Swap between 3 lighting modes to fit diverse traffic scenarios; consists of bright light, low light, and flashing light options for maximum visibility. Quickly change between modes to ensure safe and efficient outdoor activities.