$58.99 5V to 12V USB Power Adapter Charger Cable 4mmx1.7mm For Amazon Echo Dot 3rd gen | eBay
USB 5V to 12V 4.0x1.7mm Power Supply Cable for Echo Dot 3rd Router LED Speaker|Data Cables 
Amazon Echo Dot 3rd Generation Review (3rd Gen. vs. 2nd vs. 1st)
