USB RECHARGEABLE-Newest USB Rechargeable safety lights, No batteries needed anymore! These clip on Led safety lights can be charged from any device with a USB port. Each full charge (~1.5 hour) could last up to 12 hours. Quick charge to enjoy long running time! SUPER BRIGHT-BE SEEN CLEARLY- Keywell Led safety lights are equipped with 5 super bright LEDs, slim, lightweight, compact with 5 lighting modes (steady low/steady high/ flashing slow/blinking/fast-slow flashing) .Perfect for runners,walkers, strollers,kids,women,dogs & now bicycle rear lights. UNRIVALED VERSATILITY & WATERPROOF- These running Lights can be used as warning lights for Running, Cycling, Walking, Hiking, Jogging, Camping, Backpack's, Kid's, dog's, Walker's Stroller's, Wheelchairs & More! Water resistant rated to IPX5 - protected against splashing water from any angle-be seen in any weather day or night. CLIP ON IN SECONDS-Strong, no-slip clip attaches easily and stays on securely. Clip the running lights onto your belt, pockets, armband, running gear, reflective vest / belt, backpack, helmet, dog collars / harnesses, anywhere on your clothing or mount with the straps or silicone band as tail lights for bikes, strollers, wheelchairs. AMAZING VALUE for LONG TIME USE: You will get 2 usb rechargeable led safety lights with 6 straps-2 Bike silicone band,2 Adjustable elastic straps and 2 short straps, 1 charge cables in a pack.Keywell runner lights made with top quality materials and accessories to make our rechargeable walking lights much more durable for long time use,most of our customer have kept them for over 5 years with good condition.