USB cable 5V to 9v booster step up converter routerInput: USB DC 5V (compatible with all 5V powered devices, including major brands of mobile phone chargers, notebooks, desktop computers USB, 5V car chargers)Output: 9VOutput current: about 600MACable length: 100CMDC head: 5.5*2.1 USB boost cable 5V to 9V power bank mobile power USB connection router optical cat power supply lineSafe & 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.Useful for powering the WiFi router via a power bank or other 5V power source during power outages. Can also be used with other devices that require a 9V power supply.Widely Usage, Super convenient for different kinds of devices such as Fan, Table Lamp, Bluetooth Audio, Wireless Router, Speakers that requires for 9V power.