How much does this cost to the nearest dollar?

LANMU USB to DC 12V Adapter, 2.1mm X 5.5mm USB 5V to 12V Step Up Converter DC Jack Power Cord,USB to DC Cable
Interface USB transfer DC5.5 * Input voltage DC 5V Output voltage DC 9V and 12V Max Output current For 800mA or less application is recommended Package includes 1 X Conversion Line Reliable and fast data transfer. With this cable, you can connect your power bank to router. Thus, when power cut, you can use your power bank to supply your router! Internet blackout solve baby, continuous power supply Artifact Use mobile power,charging treasure or notebook usb interface Drive after a power outage or optical router cat online Via computer USB jack to power other devices. Such

Price is $611.00

Price: $611.32