1. Material: aluminum alloy body, gold-plated interface2. Power supply: DC5V3. Input: Toslink/IxRCA (coaxial)4. Output: IxRCA (R/L red and white lotus), 3.5mm audio port5. Sampling rate: 48-96KHz6. Support high-power audio/amplifier, strong compatibility7. Electronic noise reduction + signal gain technology, the sound quality is delicate and no noise8. Dimensions: 6.8 x 5.26 x 2.46 cm

http://olla.gr/hw-25da-r-l-digital-to-analog-audio-converter-with-3.5mm-jack-spdif-audio-decoder-with-spdifusb-cable/