Introducing the Sony SRS-3 Portable Mini Stereo Speaker System, a vintage item that has been tested and works perfectly. This speaker system is compatible with Sony products and has a 2.0 channel system configuration with a cube shape design. The speaker is black in color and made of plastic material with dimensions of 1 1/2" in length, 3 1/4" in height, and 2 1/2" in width. This portable speaker system has a banana jack audio input and a headphone jack feature. It is a wired device that has no manufacturer warranty and was made in Japan. The Sony SRS-3 is a universal speaker system that is perfect for your audio docking and mini speaker needs.