The Lindy 70267 is a USB-to-DC adapter cable for powering devices that require 5 V and have a 5.5/2.5 mm DC socket. It connects a suitable device to a standard USB power supply.
A male USB Type-A connector is at one end; the other is a male DC barrel connector with a 5.5 mm outer diameter and 2.5 mm inner diameter. At approximately 1.5 m long, the cable offers some reach between the device and power source.
Use it only with a device that requires 5 V and has this DC socket size.