• The mini portable armband light is perfect for outdoor activities such as camping and cycling. • The mini portable armband light is waterproof, making it ideal for use in all weather conditions. • The mini portable armband light is rechargeable. • The mini portable armband light provides a hard light, perfect for illuminating dark areas. Features: 1. This running light features both white COB and red COB lights, providing maximum visibility and safety while running. 2. With a buckle design, this armband light fits various people's wrists and arms, making it more comfortable to wear. 3. Waterproof: The silicone casing of this camping light is IPX4 rated waterproof, suitable for all weather conditions. 4. Environmentally friendly charging: This lantern can be charged via Type-C USB, which is more environmentally friendly and convenient. 5. Multifunctional: It can be used as a running warning light or a lighting tool, providing runners with versatility and convenience. Product Name: COB Night Running Light Duration: 2.5h Charging Time: 1.5h Quantity: 1 piece Gears: 3 gears: 1st gear white light 100%, 2nd gear red light 100%, 3rd gear red and white light Weight: 37.38g Size: 30*385mm