This is a wireless microphone for the Switch. I've lost the USB receiver, so would this be suitable for parts, etc.? The battery compartment has no rust. [Design] The simple and stylish black design will match any environment. [Functionality] High-quality audio input is possible, making it ideal for karaoke. It will be shipped via Yu-packet Post. Please refrain from purchasing if you need it shipped urgently. Shipping will be compact. Please be aware of this. Please purchase only if you understand that it has been stored at home. *I have posted photos that are as close to the actual product as possible, but the colors may appear different. *Please refrain from purchasing if you are concerned about minor details or are nervous. *Returns and exchanges will not be accepted under any circumstances to prevent tampering. *Instant purchase is OK.