ABC Products Replacement Bose 17V to 20V / 17 to 20 Volt Mains Battery Charger Adapter Adaptor Power Supply Plug Cord for SoundLink I, II, III, 1, 2, 3 Wireless Bluetooth Mobile Portable Speaker etc For all Bose that require either the 17V or 20V Power Cables: suits Bose SoundLink I, II, III, 1, 2, 3 Wireless Bluetooth Mobile Portable Speaker and many more 10 Ft / 3 Meters Extra Long Cable for easy use 1 Year Warranty