4pcs USB Rechargeable LED Bracelets, Reflective LED Running Bracelets, Adjustable Flashing Band Safety LED Light Bracelet for Arm/Wrist/Ankle/Leg Running, Cycling [SUPER STRONG LED LIGHT REFLECTIVE MATERIAL] Improve your visibility and safety during your nighttime sports activities. Stay visible in the dark when running, cycling, walking your dog or doing other outdoor activities. It offers better visibility than other reflective sports accessories. [ADJUSTABLE SIZE] The light strip is adjustable from 29cm in length. Suitable for most men, women and children. You can wear it on your wrist, ankle or arm. Of course, you can also carry the LED bracelet on your backpack, bike or jacket. [Three lighting modes] Fast flashing, slow flashing and continuous light, you can choose one of them as your preferred mode during your outdoor activities. [USB Rechargeable] No need to change batteries or pollute the environment. Easily rechargeable via any USB port. [Suitable for all activities] Whether you're cycling, running, jogging or walking your dog, this LED bracelet will find its place. place in a variety of themed events: nightclubs, pubs, community centers, concerts, parties and festivals. Packing list: 4 light strips (other products are not included). Note 1 The size is based on manual measurements, there may be an error of 1-3 cm. 2 Due to the variety of displays, the colors displayed are different. Please refer to the actual color.