USB Rechargeable and Long Lasting: The headlamps can be fully charged in only 3 hours with any USB port(USB cable included). With the built-in rechargeable lithium battery, it provides up to 5 hours of uninterrupted lighting in strong mode,10 hours in weak mode..Super Bright Up to 500FT Beam Reach: The running headlamp is equipped with 5 superior LEDs, provide XPE weak and strong light mode, LED weak and strong light mode, red light and red flashing mode, provide a powerful beam up to 500 lumens, can illuminate as far as 500 ft..6 Light Modes with Sensor Switch: The headlamp provides 6 different light modes, you can switch any mode to the sensor by pressing the sensor switch, then just control the light by hand waving. The lamp can be turned off by pressing the power switch for 3 seconds in any mode..IPX4 and : The headlights weigh only 2.9 oz and 3.51.91.3 inch small size, with high-performance IPX4 waterproof feature, which is perfect for night running, cycling, hiking, camping, fishing and maintenance of vehicles or machines at night..Adjustable Headband and 60°Angle: The lighting angle can be adjusted ly within 60°, which can easily meet various lighting needs and reduce neck fatigue. The elastic headband can be adjusted from 11.8 to 24 inches, suitable for both adults and . Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.