Super Bright Chest LightOur running light vest is equipped with 4 high-brightness XPG headlights, with two light modes of white light and yellow light, the lumens include 360 lumens and 320 lumens. When the headlights are in any light mode, the rear warning lights remain in breathing mode. The 8 light balls on the warning light will flash continuously for a short time to double protect your safety. (Note: You can adjust the light mode by clicking the power switch) Upgrade 180 Adjustable Beam AngleThe night walking light has a 180 degree adjustable beam angle design and reflective tape design. By adjusting the position of the headlights up and down, the ground and slopes can be well illuminated, which also reduces the glare reflected in the eyes, and allows you to see far enough ahead to avoid dangers on the road. Comfortable to wearThe jogger running light is designed with a more body-tight band. Equipped with an adjustable elastic band, the black power cable can also be stretched to a certain length, providing a more comfortable and customized wearing experience for people with different body shapes. USB Charging FunctionThis reflective running tool has a built-in 2000mAh lithium polymer battery (rechargeable) and is equipped with a USB charging cable, which can bring you a faster charging experience. When only one light bulb under the taillight is on, it means it needs to be charged. When all 5 light bulbs under the taillight are on, it means it is fully charged. After 2 hours of charging, it can work for 4-5 hours in different light modes. Lightweight and DurableCompared to other headlamps and flashlights on the market, our light-emitting running vest is more lightweight and durable. Its 150g weight and IPX5 waterproof rating are perfect for running, camping, fishing and outdoor adventures.