DC 5V 2A to DC 12V Step-up USB Converter Adapter Cable, 4 Pack, Black, DC Jack 5.5 x 2.5mm, 12V 0.8A, 3.3FT

[About the cable]: The USB input is 5V 2A male, please make sure the current is 2A, otherwise the device may not work. The DC output is 12.0V, the maximum current is 0.8A. Note: Not suitable for high current devices.
[Circuit Protection]: There is an intelligent IC circuit inside the cable, which can provide perfect over-current, over-voltage, overload or short-circuit protection for your device
[High-quality materials]: The cable is made of high-temperature resistant high-quality PVC material, high-quality copper core, good conductivity and stable current transmission.
[Note]: DC polarity: internal positive (+), external negative (-)
[Widely Used]: Suitable for a variety of 12V power supply devices, fans, desk lamps, Bluetooth audio, wireless routers, speakers.
[Durable]: Made with precision technology, high quality and long service life.
[Product Included]: 4 x DC 5V to DC 12V Step-up USB Converter Adapter Cable, 1 x 6.0*4.0 DC Convertor, 1 x 6.3*3.0 DC Convertor, 1 x 5.5*2.5 DC Convertor, 1 x 5.5*2.1 DC Convertor, 1 x 5.5*1.7 DC Converotr, 1 x 4.8*1.7 DC Convertor, 1 x 4.0*1.7 DC Convertor, 1 x 3.5*1.35 DC Convertor.