Bestek via Amazon has this 2 pack Smart Plug on sale for $9.99 when you apply the 50% OFF coupon code PRCD7XGR
It is compatible with Google Home and Alexa.
The 50% OFF code is available for the below items as well:
2 Pack Smart Plug with 2 USB for $10.99
4 Pack Smart Plug with 2 USB for $17.99