【HIGHT VISIBLE & SAFETY BE SEEN】Running light using the PU light-guiding tube inside which is super bright and ensure your safety can be seen in the nighttime activities. Sports wristbands reflective for walking, running, jogging and traveling at night make you no longer afraid to walk in the dark. 【ADJUSTABLE】These reflective running gear as safety lights for walking at night, size adjust from 11"-12.5", just adjust it fit your need. Ideal green wristbands walking light for men and women. You can wear it on your arms, wrists, ankles or backpack. 【RECHARGEABLE】Running reflective gear except to ensure the led armband works well, this running gear improve the battery in rechargeable design. Runners lights for night safety can be fully charged quickly, 20 minutes charging, working for about 2 hours. Practicable, User-friendly and save money. 【BATTERIES INCLUD】The arm lights for runners comes with 1 original button batteries (LIR2032), and the measured data can last for about 60 hours. Ideal arm lights running lights for walking at night. It's also great for walking at night as a dog collar. 【THE BEST GIFT】You will receive 2 pack running lights. This glow bracelet night running gear has versatile application, such as but no limited to: dog lights for night walking, 2021 Olympic Games, runners, cyclists, campers, night walkers, auto safety, combine with safety vest, child safety, runner gear, longboard.