Genuine Nintendo wireless microphone. Compatible with Wii U and Switch, and has been tested and confirmed to work, so you can use it right away. It's a clean microphone. How about some karaoke at home? ★Instant purchase welcome★ *I will adjust the price here, so please refrain from price negotiations. ◆Product Set Contents Karaoke microphone (wireless type / Nintendo genuine) Accessories ・Wireless receiver (required for connection) ・Instruction manual The identification numbers of the microphone and receiver match, so you can rest assured that there will be no connection problems. ⭐️Connection is not possible if the identification numbers do not match. This product matches. ★Caution★ The wireless karaoke microphone uses two AA batteries. Batteries are not included, so please prepare them. ◆Product Condition (Working) This product has been tested and confirmed to work. (Image 10 shows the connection) Connected to Wii U and Switch, and audio confirmed (good audio quality). The microphone is clean! The battery box is clean. No battery leakage. The microphone receiver has not had the virgin seal removed, so it is clean. (Image 14) Cleaned with anhydrous ethanol, and the connection ports have been maintained with contact cleaner. As a precaution, deodorization treatment has been performed, but I don't feel any particular odor. Since it is a used item, there is some damage to the outer box from storage, so please take a look at the images. Since it is a used item, please refrain from purchasing if you are concerned. We will ship anonymously on the same day or the next day. We also have other items for sale, so please take a look if you like → #Marron's product list ※Search terms #Switch #Controller #Wireless #Nintendo #Nintendo #Switch #ProCon #Microphone