Digital Analog Converter: The converter digital to analog Audio converter, converts coaxial or Toslink Digital Audio Signals to analog L/R RCA and 3. 5mm jack Audio simultaneously (input and output cannot be reversed).

Bidirectional Switch: Bidirectional Switch Design Makes It More Than a DAC Converter, Not only Supports Digital to Analog, Also Supports Digital to Digital (Support Toslink to Coaxial and Coaxial to Toslink) PLEASE NOTE: This Converter Supports Digital to Analog BUT NOT Support Analog to Digital.

Supports Volume Adjustment: Enjoy Complete Control Over Your Audio Experience with the Built-in Volume Control Knob. Adjust the Output Volume to Your Desired Level, Ensuring Optimal Sound Levels for Any Listening Environment. (Note: Volume Control Knob Just for Adjusting the Volume of the Headphone Interface and RCA Interface, Not for Coaxial or Toslink)

192kHz 24-bit Sampling Rate: Supports sampling rate at 32kHz, 44. 1kHz, 48kHz and 96kHz and 192 kHz; 24-bit SPDIF incoming bit stream on L/R channels, to eliminate noise when no signal input, and automatically mute while non-audio input signal.

Aluminum Metal Casing: Serviceable aluminum metal shell makes it heat-resisted and high quality; It can easily install and operate. Powered by USB power cable (power adapter is not included); Don't use Other plugs, It can only use 5V 1a plug.

What's in the box
1 x Digital to Analog R/L Audio Converter
1 x DC USB Power Cable
1 x Toslink Cable