Check the listing for details. Serta Therapedic PFI-DBC-TM1 Bluetooth Electric Blanket Controller 3 Prong. Color: Multicolor, Condition: Pre-owned. Listed at 29.00 USD. Experience ultimate comfort with this Serta Therapedic PFI-DBC-TM1 Bluetooth electric blanket controller. Designed to provide you with a cozy and warm environment, this controller is perfect for those chilly nights. It comes in a standard size and a classic white color, making it the perfect addition to any bedding set. Made of high-quality plastic material, this electric blanket controller is durable and built to last. It features Bluetooth technology, allowing you to easily control the warmth of your blanket with just a few taps on your phone. The set includes a controller, making it easy to use and convenient for those who want to experience the ultimate level of comfort. Enjoy a relaxing night's sleep with this Serta electric blanket controller.