Equipped with model and size to make sure not to affect the charging efficiency .good replacement for your damage or losing charging cable. Easy to carry out , the good backup choices in your car or and travel friendly to make your headphone sunglasses working in everywhere. USB charging cable with the sunglasses magnetic charging port provide a connection between the devices for a clear sound. The charging cable is light and small,high-grade cable, strong anti-thermal; the is copper to efficient and stable charging. Length:Approx.60cm/23.62