Multi-function Switch Modes Features a dual switch design with high/medium/low settings, providing versatility for various lighting needs. Compact & Lightweight Weighing only 100g, this compact headlamp is easy to carry, making it perfect for camping, hiking, and emergency situations. USB Rechargeable Battery Equipped with a built-in lithium battery, this headlamp offers convenient USB charging for long-term use. Wave Sensor Technology Innovative wave sensor technology enables hands-free operation, enhancing the convenience during outdoor activities. Waterproof Design The waterproof feature of the headlamp ensures durability and safety in wet conditions, ideal for outdoor use.