Purchased for karaoke, streaming YouTube. The WS-858 microphone is USB rechargeable and has an echo adjustment function, making it versatile. I bought it for Christmas but never used it, so this is just a test run. It powers on. See image 1; the dedicated cable is not included, see image 3. - Model Name: WS-858 - Functions: Microphone volume adjustment, echo adjustment, playback function - Connection Ports: USB, microSD card slot - Included Items: Instruction manual - Power: USB rechargeable Thank you for looking.