Foxelli USB Rechargeable Headlamp Flashlight &ndash; 280 Lumen, up to 100 Hours of Constant Light on a Single Charge, Ultra Bright, Waterproof, Impact Resistant, Lightweight & Comfortable Headlight USB RECHARGEABLE: Charge Fully from any USB Port in Only 2 Hours and Provide up to 100 Hours of Constant Light on a Single Charge. Plus it has a Built-In Battery Life Indicator. EXTRA BRIGHTNESS: 280 Lumens CREE-XP-G2 LED (400 Feet Beam) and Adjustable Flood Light Diffuser Makes this the Brightest and Most Versatile Headlight. Offers a Wide Variety of Light Modes and 90 Tiltable Body. Includes SOS Mode and Attached Emergency Whistle. WATERPROOF & DURABLE: This Headlamp is Built to Last. Will Withstand Heavy Rain, Cold, Heat, Dropping on the Ground or in Water. Foxelli MX500 Is Rated IPX7 - Protected Against Water Immersion Down to 1 Meter for 30 Minutes. LIGHTWEIGHT & COMFORTABLE: Weighs Only 4.4 OUNCES with Easily Adjustable, Ergonomically Designed Elastic Headband and Detachable Top Strap. Ideal Use for Long-Distance Running, Hiking, Caving, Camping and Reading. BUY RISK-FREE + BONUS: We are So Confident that Customers Will Love Our Headlamp that We Offer a 120-Day No Questions Asked Money Back Guarantee with One Year Warranty! Buy Now to Receive Bonus Additional Mini USB Cable for FREE.