Biqiqi Rechargeable Headlamp Ipx4 WaterproofFor Fishing/Camping/Cycling/HikingUltra Lightweight And AdjustableThe Hands-Free Led Headlamp Weighs Only 45G, Easy And Lightweight To Wear. With A Breathable Elastic Headband And A 60 Adjustable Angle, Which Makes It Easy To Adjust The Length To Perfectly Fit Your Head Size. It May Be The Most Comfortable Headlamp For Adults And Children.+ Product5 Modes And DaylightDesigned With 5 Lighting Modes (White: 200 Lumens High Brightness, 100 Lumens Medium Brightness, 50 Lumens Low Brightness; Red: Red Light, Red Sos Strobe). The Maximum Brightness Can Illuminate The Road Up To 100 Meters. In Addition, Thanks To The Memory Function, You Can Reuse The Last Mode Used, Which Is Much More Convenient To Avoid Switching Through All The Modes.Usb RechargeableThe Running Headlamp Adopts The Technology Of Built-In 800Mah Lithium-Polymer Battery To Meet Your Needs. Off Time Up To 12 Hours And Working Time Up To 5 Hours, As Proven By Our Experience. Compatible With All Usb Ports. Fully Charging Only Takes 2 Hours Via Usb Port (Usb Cable Included). Industry-Leading Leds Allow A Lifespan Of More Than 100,000 Hours.Ipx4 WaterproofHeavy Rain Or Splashing Water Are No Longer A