I purchased this four years ago and have only used it occasionally. It has been stored at home. Please only purchase if you understand that this is a used item. Here is the Amazon page where I purchased it: https://www.amazon.co.jp/dp/B01N41607I?ref=cm_sw_r_cso_li_apin_dp_QBCKD0G7MF3JA99MEGD7&ref_=cm_sw_r_cso_li_apin_dp_QBCKD0G7MF3JA99MEGD7&social_share=cm_sw_r_cso_li_apin_dp_QBCKD0G7MF3JA99MEGD7&openExternalBrowser=1 This is a black USB switch from UGREEN with a USB audio output terminal. - Brand: UGREEN - Color: Black - Connectivity: USB - Output Terminals: Audio output terminals (red and green) Thank you for looking.