[Optional Reflective Tape]: In addition to the front lighting device and rear warning device, you will also receive 2 reflective tapes in different colors (green and black) for you to choose and replace.Very light, equipped with a flexible shoulder strap, adjustable in length, to ensure comfort of use. [Adjustable Brightness]: The rechargeable LED panel is designed with 3 types of brightness, which can project up to 200 lumens within a visibility range of 20 meters, which can be adjusted according to different surrounding environments.At the same time, the lighting direction can be freely rotated 120 degrees, allowing you to better understand the road conditions. [Waterproof USB Charging]: The rechargeable front panel is equipped with a USB charging cable, which can be easily connected to a mobile power supply for charging.It takes about 3 hours to fully charge via the included micro USB cable, which is based on a powerful 2000 mAh rechargeable battery.They offer IPX-65 waterproof function, so you don't have to worry about problems when it rains. [Adjustable Soft Shoulder Strap]: Equipped with elastic safety belts and adjustable buckles, the shoulder straps can be tightened and loosened as needed to easily adjust the size.The rechargeable LED headlamp weighs only 160 grams, which is very light and will not interfere with your exercise.Improved vertical directional beam with adjustable angle to meet the needs of uphill and downhill runners. [Safer]: Reflective belt front white light and rear red alert, with an extra layer of protection, which not only allows you to see oncoming vehicles, but also allows you to see dangerous roads and trails.