Backpack,zipper lock, 2 cables

backpack ended up getting double charged so I ended up with two of them it says in the description it has a USB charging port yeah it has the port but it doesn't have the battery to connect it to it has two wires one is an extension for any USB cord so if you do get a battery there is a spot to put the battery in connect the wires to the battery and have things charge it that you can set any code you please