Male RCA dust covers (female adapter) for use with RCA connectors Protects free RCA ports on RCA devices Widely used for: Switches, hubs, receivers, TVs, extenders, splitters Protects RCA ports from dust, dirt, and physical damage caused by moving equipment Slides into female ports to prevent dust I don't know the details of this product, so I may not be able to answer your questions. Thank you for your understanding. 〜❉〜❉〜❉〜 ⭐ Immediate purchase welcome! ⭐ Midnight silent purchase OK! ⭐ Free shipping! ✼ If you let me know in the comments that you've followed, I'll give you a 100 yen discount on items over 1,000 yen! I have opened it once for photography and inspection, so I've listed it as "Like new". 3-29 #Yocco'sVariousProducts