The Ooma Telo is a revolutionary device that allows you to call anywhere in the U.S. for free. Just pay applicable taxes and fees. You can also make international calls for next to nothing. Ooma Telo is easy to set up and even easier to use. You simply connect the device to your high-speed Internet and your existing phone, and that's it. You don't need a computer and you don't need a headset. With the Ooma Telo you'll be ready to start calling and saving money within minutes. This bundle includes a Ooma Wireless Adapter which allows you to have Ooma Telo anywhere in the house. Plug-in the Ooma Wireless Adapter and unplug your Ooma Telo. The Wireless Adapter plugs into the USB port of your Ooma Telo so you can place it anywhere in range of your wireless network. Like your kitchen, den, bedroom or anywhere, you decide. NOTE: The Ooma Telo requires high-speed Internet and a router (not included)