Welcome to our store! 1. SAFETY: Its powerful brightness makes you more visible at dusk and in the rain. The best protection in the dark. 2. 3 LIGHT MODES: It has 3 modes: slow flashing, fast flashing, and steady light. You can easily set them with the button. 3. ADJUSTABLE: Adjustable strap (27-32 cm), perfect for adults and children. The Velcro closures are secure and won't slip. 4. USB RECHARGEABLE: No need to change batteries; the straps are easily charged with the included charging cable. 5. UNIVERSAL: Ideal for jogging, running, cycling, night hiking, mountaineering, and walking the dog. More safety on the trail! Material: Nylon fabric + LED electronics. Size: Wristband length: approx. 32 cm, width: approx. 2.5 cm. Emitting color: Red, orange, yellow, green, blue, and pink. Flashing mode: Steady light, fast light, slow light (controlled by switch). Battery: 1 LIR2032 button cell battery. Charging time: Once charged, it can be used for approximately 3 hours. Battery life: Lighting time: 60-80 hours, normal use 2-3 months; the battery can be replaced by yourself. Features: Removable electronics, washable and splash-proof. Suitable for: Outdoor sports, night runs, large festivals, concerts, corporate events, etc. Includes: 2 glow bracelets, 2 USB charging cables. Customers are our top priority. If you encounter any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.