Bose SoundLink Series and product range

For disambiguation, differences between Bose SoundLink Wireless Mobile Speaker and SoundLink Bluetooth Mobile Speaker II:

• Bose SoundLink Wireless Mobile Speaker (2011)
  • One piece cover
  • This would be Series I
• Bose SoundLink Bluetooth Mobile Speaker II
  • Bi-fold cover, in nylon or leather
  • It has been reported that Bose adjusted the Digital Sound Processor for a wider sound field and improved bass response.
  • This is Series II
• Bose SoundLink Wireless Music System (2009)
  • Bigger than the Mobile versions
  • Bluetooth enabled
  • Optional rechargeable battery
  • That would be Series I
  • 
• Bose SoundLink Air Digital Music System
  • Airplay enabled
  • Optional rechargeable battery
  • This is Series II
  • 
• Bose SoundLink Mini Bluetooth
  • Smallest SoundLink speaker
  • Considered to replace SoundTouch Mobile