♥USB RECHARGEABLE: This BSEEN LED Waist Bag is Powered with a USB rechargeable battery. One charge will give 5-8 hours depending on the mode of Use. USB charging cable included. ♥ULTRA HIGH 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. ♥SAFE MATERIAL: All materials uses have done through all the toughest test and could meet any standard in the World. 100% Quality Guarantee! ♥ With Big& Small Pockets to Carry Phones, Cash, Keys when you're running.