YACSEJAO DC 5V to 12V USB Voltage Step Up Converter Cable Power Supply with Jack 5.5 x 2.1mm for Fan Led Light Router Speakers(1M/3.3FT)

【USB 5V to DC 12V Power Supply Adapter Cable】Just power it with a 5V 2A power bank and you can start running your 12V devices.The cable with charging indicator reminder, plug and play, easy to use. 【Safe & Reliable】With built-in upgraded intelligent IC circuit, our voltage adapter provides your devices perfect protecetion from over-current, over voltage, overload or short circuit. 【Heat dissipation design】Unique internal design, under normal working condition, the temperature is stable below 40℃, close to the human body temperature, the use process is safer, more assured. 【High quality material】Using thick copper core material, transmission loss reduced by 20%, effectively improve service life, higher charging efficiency. 【Widely Usage】Strong compatibility, can be widely compatible with most mobile phones and digital products of the standard charging port, plug and play.