Hard to find electronic part. Great delivery, well ahead of published date. Seller great on product details. I had a specific fit problem. Seller promptly gave me his honest opinion, which could have killed the order for him. Then, he promptly followed my instructions, which meant that he was listening, not simply filling an order. Ask for Vlad. PS: He has a Bluetooth adapter that works on a Dell 6400/e1505 laptop - drop in replacement.