Lumary In-Wall Smart Outlet with 2 USB Ports (4 Pack) The Lumary In-Wall Smart Outlet with 2 USB Ports (4 Pack) ($90) is great for bedrooms, kitchens, and home offices without adding the bulkiness of an external smart plug. Image Source: amazon.com Lumary In-Wall Smart Outlet with 2 USB Ports (4 Pack) $90 from amazon.com Buy Now