MINT condition with original box and USB cable. Purchased new November 2016.  Used for less than 30 hours.

Specifications:

Input

USB port sampling frequency 16bit-24bit/96kHz

Interface: USB full speed

Digital Connector: optical, square

Format: S/PDIF (32kHz – 96kHz)

Output:

Phones Connector: Stereo phone

Max Output: 100mW (32-ohm loaded)

THD: less than 0.01% at 1kHz, 32-ohm loaded, 100mW

Frequency response: 20Hz / 20kHz +-0.3dB (32ohm loaded, 100mW)

Analog Connector: RCA Pin

Reference output level -10dBV

THD: less than 0.01% at 1kHz

Frequency response: 20Hz / 20kHz +-0.3dB

Digital Connector: Optical, square

Format S/PDIF (32kHz – 96kHz)

General:

Power: DC5V (via USB port)

Power Consumption: 2.5W

Accessories: 1 x USB cable (1.0m), 4 x rubber foot, manual

Dimensions: 108mm(W) x 36mm(H) x 140mm(D)

Weight: approx. 450g

I ship only to a Paypal confirmed US addresses in lower 48 states. USPS Priority shipping is included for free.