※Please read the profile section before purchasing. This is a 3.5mm 3-pole stereo mini-jack extension/adapter. Both ends are 3-pole female. The entire adapter is gold-plated. It can be used with all kinds of audio equipment, such as earphones, headphones, speakers, and 3-pole compatible microphones. This is a new bulk item, but to avoid initial defects, we have tested it before shipping. ※We have multiple units of this product available. If you want to purchase multiple units, please comment with the desired quantity before purchasing. Discounts are available for multiple purchases. (However, the discount will only be the shipping cost for combined shipping.) ●Warranty We will exchange items with initial defects. Please contact us via the comment section within 14 days of receiving the product. (If the item is out of stock, we will issue a cancellation.)