TEAC AI-301DA, with remote control, USB and optical digital input compatible. - Brand: TEAC - Model Name: AI-301DA - Included Accessories: Remote control, power cord - Connectivity: USB, optical digital, analog input - Features: DSD support, volume adjustment knob Thank you for viewing. There are some scratches and dirt from use, but there are no operational issues. We will strive for prompt shipping, but please note that during the New Year's holiday period, shipping may take up to a week.