Extend the life of your Bose Sounddock. Enjoy flexible Bluetooth wireless connectivity with your 30 pin Bose Sounddock Series 1 (I) speaker. Now using this adapter you can continue to enjoy your Bose speaker dock with all models of phones, smartphone, devices with Bluetooth capability. Note: Each adapter shipped is tested on a working Bose Sounddock Series 1, (Version 2 or B - Serial numbers beginning with 0498 or 0523). Additional Details ------------------------------ Package quantity: 1