I've used it a few times, but there are no noticeable stains or damage. I couldn't quite get the hang of it, so I'm wondering if someone who can use it with code or other methods would be interested? There are many tutorials available online. Only the main unit will be shipped. Product site description: Product's Recommended Use: For Smartphones or Tablets Brand: IK Multimedia Model Name: iRig Voice Mobile Handheld Microphone [Domestic Genuine Product] Connectivity Technology: AUX Connector Type: Lightning Features: Mute Function Unidirectional Analog Handheld Microphone Compatible with iOS and Android TRRS (Mini Jack Connection) Equipped with On/Off Switch