USB Rechargeable Outdoor Side-Hook Ear-Worn Dual-Light Source LED Headlamp 1. Material: ABS + silicone 2. Ergonomic design, lightweight and truly comfortable. 3. Side-mounted head-mounted action camera principle, real-time light tracking of the field of vision, adjustable brightness without obstructing the view. 4. 90-degree ultra-wide angle, larger light coverage area, illuminating a wider area for clearer vision. 5. Total internal reflection viper lens, spiral optical design, more focused beam, longer range. 6. Wear-resistant and drop-resistant, two-way adjustable headband, fits the human head circumference perfectly, no tightness, pain-free for long-term wear, non-slip and breathable. 7. 360-degree up and down adjustment, freely adjust the beam angle for greater convenience. 8. Independent dual-switch design, adjust brightness according to different working environments. 9. 4-level intelligent power display, clearly showing remaining power, knowing when to charge for added convenience. 10. Suitable for daily outdoor activities, sealed waterproof design effectively blocks rainwater and protects internal circuitry. 11. Equipped with an intelligent heat dissipation chip and external heat dissipation lines, it effectively protects the lamp core and extends its service life. 12. Weight: 55g 13. Dimensions: 105x29x29mm