Product name:running lights for runners Product size about :35cm x 4cm or 13.77x1.57in Product color: As shown in the figure Product material: PVC product features: - [Seeing is Safe] The bracelet is bright and visible at night to protect your safety, providing you with 360-degree ultra-high visibility in low-visibility scenes and activities such as early mornings and evenings, suitable for morning and night runs, cycling, walking, walking pets and other activities. -[Rechargeable Unlike most LED bracelets on the market that require frequent battery replacements, we come with a rechargeable battery. It only needs to be charged once to ensure 6-8 hours of working time, which is enough for you to use. More practical, more humanised and more economical -Lighting Modes Equipped with three lighting modes, fast flash, slow flash, constant light, multiple lighting modes provide you with a variety of choices, more humane. -Versatility: The size of the armband is 35cm x 4cm, it is suitable for all people, just tap your wrist, ankle and arm wherever you want to wear it. There is no feeling when you wear it, the elasticity is suitable, resistant and will not fall off. -AFTER-SALES SUPPORT: If you have any questions or concerns about our products, please feel free to contact us. We will be happy to serve you and ensure your satisfaction. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Package Included: 1 pcs running lights for runners Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.