Fast power: Offers a throughput of up to DC 5V 3A when used with an USB 2.0 power and device.. 4pcs different cable in the package for DIY OEM use. Type-C & Micro-USB & DC 5.5 x 2.1 mm & DC 3.5 * 1.35 mm. You need to solder the cable yourself..
Backpack-Mounting: A great solution to continuing your connection to your power device. Connect your male cable to the female Backpack mount to continue your power..
Peripherals: Connect Electric Heating Pads, mobile devices, Led Light, and any peripheral using these connectors.. 4pcs/lot Type-C Micro-USB DC 5.5 x 2.1 mm 3.5X 1.35 mm Power Extension Cable for Backpack Charging Electric Heating Pads