This is a dynamic microphone that supports XLR and USB connections. It was used once for a sound test and has been stored in its box since then. During storage, the USB connector was touching the windscreen, leaving a mark on the USB connector. Returns and refunds are not accepted. - Brand: fifine - Model Name: K688 - Connectivity: XLR and USB connectors - Included items: Microphone cable, microphone holder - Instruction manual: Instruction manual included Thank you for looking.