BSEEN LED Running Belt, USB Rechargeable Reflective Glowing LED Waist Belt, Flashing Safety Lights Band for Runners, Joggers, Walkers, Pet Owners, Cyclists USB RECHARGEABLE: This BSeen LED Safety Running Belt is Powered with a USB rechargeable battery. One charge will give 5-8 hours depending on the mode of Use. USB charging cable included. ONE SIZE FIT ALL: The Whole length of this Belt is 39inch (100cm), and it also with elastic bands to suit for different people, no matter thin or strong. ULTRA HIGH 360 DEGREE VISIBILITY: The LED lights and light transmission polymer provide ultra-high visibility in dusk and night time activities. The brightness is much higher than the glow in the dark or reflective devices. That means greater safety for you, your children or your pet from negligent and distracted motorists. LIGHTWEIGHT: The rechargeable battery is very light and does not add much weight to the belt comparing with the AA batteries. SAFE MATERIAL: All material BSeen Products uses have done through all the toughest test and could meet any standard in the World. 100% Quality Guarantee! Super bright in the dark with LED&amp; TPU light-guiding tubes. 4 Available colors: Pink, Green, Blue, Orange Flashing Modes: Steady glow-quick flashing- off. Battery Capacity: 70 mah Charge time: 2 hours by USB cable Usage time: &gt;5 hours for blink model and &gt;3 hours for steady on glow Unique Design: that you can remove the battery case easily to get this bands be washed.