LED Running Waist Belt Specs: Total Length: Min. 23 inches or 65 cm Max. 32 inches or 85cm Width: 1.96 inches or 5 cm Battery Capacity: 70 mah Charge time: 2 hours by USB cable Usage time: >8 hours for blink model and >3 hours for steady on glow Do you worry the safety at night when you outside? Here Bseen Led belt is perfect for sport safety gear at night time. you can buy one for yourself , your child ,your friend , best gifts for runners ,child safety and also can for LED light for bike. Some application: ● Children ,Women ,Men for safety in the night time ● Glow Party or event ● Runners or Joggers the car can easy to find you ● People walking their pets ● Cyclists that can wear the belt ● Outdoor activity like hiking ,camping Important note: 1.Not suit for bigger waist than 32” or 85cm, it is a smaller belt good for kids and smaller woman and men. 2. If you find this belt cannot hold charge or do not charge, please contact me for a good one.