Anyway, I can now confirm - those speaker-based bulbs are definitely not Bluetooth LE devices. They seem to use the Bluetooth A2DP for sound, which also provides a side-channel which I guess is used for bulb control.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Ok, now that's strange... Did you edit the original post and change the link to eBay at all?
I could have sworn I ordered the light you linked - which I thought was this one: http://www.ebay.co.uk/itm/12W-B22-E27-Wireless-Bluetooth-Music-Speaker-28-LED-RGB-Bulb-Light-Lamp-New/263065714049
But that's not where the link goes now...
Anyway, I can now confirm - those speaker-based bulbs are definitely not Bluetooth LE devices. They seem to use the Bluetooth A2DP for sound, which also provides a side-channel which I guess is used for bulb control.