Features: brand new and high quality Multiple Function Buttons: Switch Input Source by Pressing the Button on the Switcher to Avoid Frequently Plugging and Unplugging. Also Have the Volume Control and channel R/L output Button, Convenient to Use. High Quality Material: Made of high quality metal, stable, firm and durable. This Digital to Analog Audio Converter is specially designed for either home or professional audio signal switching. It converts Coaxial or Toslink digital audio signals into analog L/R audio signal. Lightweight Size: Portable and small size, easy to store and carry, bring you convenience. Application: Good performance, convenient and practical, suitable for home and professional use. Specifications: Material: Metal Color: Black Product Dimension: approx. 0.7x2.9x2.4inches Net Weight: 120g/0.26lbs Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1PC DAC Digital to Analog Converter