This Digital to Analog Audio Converter is designed for either home audio switching.Free Optical Audio Cable.It converts Coaxial or digital audio signals to analog stereo L/R audio and available for connection to an external device such as an amplifier via standard RCA-style jacks.Compact size, Easy to install and simple to operate.Input Audio: Coaxial o r Toslink digital audioOutput Audio: Analog L/R stereo audioInput audio connector: Toslink, 1x RCA (Coaxial)Output audio connector: 2x RCA (R/L)Sampling rate: 32, 44.1, 48 and 96 KHzColour:blackMaterial:plasticSize:about 64 x 40 x 25mmPackage Contents:1 x Digital to Audio Converter1 x USB cable1 x Optical fiber cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.