KEYSPAN USB Twin Serial Adapter Model USA-28X Mac OS Macintosh Apple

P/N: USA-28X B

Very good cosmetic and working condition

Please note this product is for older Apple computers

Please ask questions before buying/bidding. 

Your bid is welcome if you have positive feedback. 

U.S. shipping address within the 48 states only. 

No International bids or third party shipping addresses.  

All sales are as described and final. 

Thanks for looking.