Extend the life of your early Harman Kardon Go + Play speaker with 30 pin dock. Enjoy flexible Bluetooth wireless connectivity with your 30 pin Harman Kardon Go + Play speaker or other speaker docks with the 30 pin connector. Now using this Bluetooth adapter you can continue to enjoy your speaker dock with the all phones, smartphone and devices with Bluetooth capability. Please Note: The Bluetooth adapter only works when the Go+Play speaker is operated by line or mains power. The Bluetooth adapter does not function when operating in battery mode. Note: Not all similar looking adapters work on all speaker docks. Each adapter shipped has been tested on a working Harman Kardon Go + Play speaker. Note: This item is for the Bluetooth adapter ONLY and not the speaker shown in the picture. Additional Details ------------------------------ Package quantity: 1