Two 12-Foot Long Power Cables. Compatible with Sonos Era 100 Speakers. Compatible with Sonos Era 300 Speakers. Longer Power Cords Designed for Sonos Era Speakers. Do Away with Cable Clutter and Maintain a Clean Looking Sound System. Made from High Quality Materials for Durability and Performance. This is not a Sonos OEM product. The Sonos brand names and logos are the registered trademarks of their respective owners. Any use of the Sonos brand name or model designations for this product are made solely for purposes of demonstrating compatibility. Packaging may vary.