<p>【High quality material】 The exterior of the LED armband is made of waterproof material and special skin-friendly polyester, very strong and durable. The bracelet is lightweight, dustproof, sweatproof and rainproof (do not wash it directly with water).</p> <p>USB charging and key ring: The rechargeable LED shoulder strap can prevent the trouble of frequent battery replacement, which is convenient, economical and environmentally friendly. It can charge the bracelet via any device with a USB interface, and a single charge can guarantee 5-8 hours of work, which is enough for your daily use.</p> <p>【3 modes 】The product is equipped with three lighting modes: fast flash, slow flash and constant light. In addition, our LED lights have better visibility than other products and multiple lighting modes give you multiple choices, making them more user-friendly.</p> <p>[Universal size] The LED shoulder strap measures 67 x 4 .8cm, with a total of 16 lamp beads, providing brighter lighting. Designed for adults, men and women, this night running gear is fully waterproof and built to last.</p> <p>【Safety】 The LED shoulder straps are very bright at night and are designed to give you ultra visibility -360 degree high at dusk and during night activities to protect your safety. Suitable for night running, jogging, dog walking, camping, cycling, motorcycles, concerts, children's camping activities, pet leashes, children's night walking safety and other outdoor sports.</p> <p>Note: The data are all manually measured, please allow 1-3cm error due to differences in light and display, there may be some differences color, please refer to the actual item received.</p>