How much does this cost to the nearest dollar?

Comfortbilt Smart Plug 4 Pack - New in Box!
Comfortbilt Smart Plug 4 Pack- New in Box - Control from Anywhere- Handsfree Voice Control (Compatible with Alexa and Google Home)-User Friendly Functions-Fast Installation (No Hub required)- Lifetime Customer Services (Backed with a 90 day money back guarantee, 2 Year Warranty and lifetime support! Handsfree User Friendly Fast Installation Control from Anywhere Current Rating 10 Amps, Connector Type Plug In, Brand Comfortbilt, Mounting Type Plug-In Mount, Controller Type Google Assistant, Amazon Alexa, Connectivity Protocol Wi-Fi, Unit Count 4.0 Count, Manufacturer comfortbilt, Country of Origin China, model number MWA 401, Is Discontinued No, Quantity 1, Available November 2, 

Price is $16.00

Price: $15.99