Parameter
Input voltage: DC 5V,
Maximum input current: 2.0A.
Output voltage: DC 9V,
Maximum output current: 800 mA.
Cable length: about 1 meter/3 feet
Color: Black
Input interface: USB A type male
Output interface: 5.5 x 2.1 / 2.5 mm (DC interface built-in spring, compatible with 5.5 x 2.1 / 2.5 mm DC interface.Please make sure to confirm the size of the DC interface before purchasing. The wrong interface size will not be output.)

Application:
1. With this cable, you can connect the mobile power to the router. So when power fails, you can use your mobile power to provide your router!
2. With this cable, you can provide your air purifier through the power bank.
3. Other interface matching and parameter compliance appliances.

Package Included:
2pcs DC-DC USB 5V to 9V DC Jack 5.5mm x 2.1 / 2.5mm Boost Power Module Converter Cable