Lightweight & Portable: The running headlamp can be carried anywhere. The head light can be easily put in the pocket, easy to use and perfect for adults and kids. IPX4 waterproof rating can be used out in the rain and can meet needs in various lightingenvironment, do not suggest for diving. Adjustable & Comfortable: The hand-free headlamp flashlight can be adjusted according to the different head circumference for comfort; This headband light can be firmly worn on your head and wont shake; It can also be placed as a bike headlight /taillight. The head lights LED can be adjusted to 90 degrees, allowing you to focus the light where you need it and it can be adjusted according to a full range of lighting needs. 7 Lighting Modes with 2 Colors: 3 White Light modes (Strong light/Weak light/Explosive flash); 4 Red Light modes (Running lamp fast/Running lamp slow/Flash and Flash slow)- Long press 3 seconds to switch the light color, single press to switch the lightingmode. NOTE: Don't look directly at the light Type C Port Rechargeable: The rechargeable headlamp has a built-in rechargeable battery, the headlamps only takes 3 hours to be fully recharge via Type C Port; The indicator light will turn red when charging, and turn blue when fully charged. The runningtime of the low brightness mode can be up to more than 5 hours, and 3 hours of the high brightness mode. Multifunctional Usages: This headlights for head is suitable for indoor and outdoor activities; It can be use for night reading, night repair, running, jogging, dog walking, climbing, night fishing, hiking, camping and hunting, etc. Red light mode isas tail light especially ideal for night cycling. Delivery Quantity: 1pc Package Contents: Only the above package content, other products are not included. Size: 3.8*2.8*3.8cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)