This smart home phone service from Ooma offers wireless, Bluetooth, speakerphone, and Power Over Ethernet (PoE) features. With a sleek black color and compact design, the Ooma TeloCR model is perfect for any home or office. The unit type is a single unit, and it comes equipped with USB, DSL/Phone (RJ-11), and Ethernet (RJ-45) interfaces. Enjoy free nationwide calling with this VoIP phone service, perfect for home networking and connectivity. With its easy-to-use interface, you can manage your calls and stay connected with ease. Get your hands on this amazing phone service today!