Sonos AC100 Charging Adapter for Sonos CR100 Controller (Discontinued by Manufacturer) Charging adapter specially designed to work with the Sonos CR100 controller Perfect replacement or backup for the controller's default AC adapter Designed to power the Sonos CC100 charging cradle; includes 5.9-foot cable Measures 3.8 x 1.7 x 1.1 inches (W x H x D); 1-year warranty Measures 1.7 x 3.8 x 1.1 inches (WxHxD)