Multi USB Charger Cable Retractable 4ft 3 in 1 Multiple Charging Cord Adapter with Mini Type C Micro USB Port Connectors.from 0.82in to 3.28in.1 only need 1 long enough to stretch every time carton for a length. new upgraded copper core, higher speed and smaller resistance,increasing charging speed. high quality materials durable and tensile,suitable for driving ,home use,charging treasure and for offices. it is a cheap product for promotion.