- Lightweight forehead headlamp: weighs 2.2 oz and is designed for comfortable wear without irritation. The elastic headband adjusts to fit adults and children, ensuring a secure, customizable fit. - Hands-free convenience: the adjustable design makes it an ideal addition to running gear and other activities where you need light without using your hands. - USB rechargeable power: 1200 mAh high-capacity battery. In strong light mode, it provides at least 3.5 hours of operation and can illuminate an area up to 100 meters ahead. - Red safety warning light: two modes available (full brightness and flashing) for night travel safety and emergency signaling. - Use scenarios: ideal for nighttime running or cycling, early-morning or late-evening outdoor activities such as hiking, and indoor use during repairs, outages, or other situations requiring a visible safety beacon.