AROVA Running Belt with USB charging, LED Waist Pack With Reflective Tape to Hold Keys,Cell Phones, Valuables, While Keeping You Visible and Safe Made of High quality waterproof material, sweat and water resistance. LED Reflective Running Belt With Three Different Light Modes That Will Keep You Visible And Safe in Low Light Environments. three switch modes:Press 1st for steady light,Press 2nd for quick flash ;Press 3rd for slow flash,very affordable. Feel more secure on early morning or late evening runs. Large storage Pocket: Keep all your necessities secure with a pouch that's large enough to handle your phone, keys, money and more. Plus, it won't bounce and jostle like a traditional fanny pack. Fully Adjustable: Comfortably fits waist sizes from 23 to 40 inches. Clever buckle adjustment combined with a slightly stretchy material ensures a perfect fit for most people. Recyclable USB Rechargeable Battery-Rechargeable lithium batteries design(USB Included),can be recycled use 300 times,that means no more cost on buying batteries,5-8 hours luminous time after per 1-2 hours charge.