VIZIO E231-B1 23-Inch 720p 60Hz LED TV (Refurbished) Razor LED backlight - Distributes LEDs along the edge of the screen for a brilliant picture in an ultra-thin design E-Series Signature Design - An ultra-narrow frame, a thinner side profile, and slimmer new base makes the new E-Series a perfect upgrade to any room. 1 HDMI ports - perfect for connecting all your high definition entertainment devices to the TV 1 USB port - enjoy photos, music, and video right on the big screen DTS Studio Sound - Simulated surround sound solution with deep bass, high frequency detail and clear dialog for an immersive surround experience using the TVs bukilt-in speakers.