NÖRDIC SGM-170 is a smooth D / A converter that transmits digital sound from eg TV, laptop, DVD, PS4 to analog amplifier, headphone or speakers. Bass and volume control to find the best sound experience. Connect your portable to the USB port with the supplied USB cable. Do not support USB memory or external hard drive. SGM-170 gets power via USB so you can simply use a standard USB charger 5V1a (not included). For manual click here.Input: SPDIF Toslink, Coaxial and USBoutput: L / R and 3.5mm Sampling frequency 32-192KHzbit Rate: 16-24 Bit sound format: PCM support for portable Win and Mac, Xbox and PS3 / 4/5 Dimensions: 101x95x20mm weight: 115g Content: convertor, USB cable charging1m, Toslink cable 1m, USB cable 90cm, manual