Enjoy room filling sound with your Amazon Echo Dot through this compact bedside clock speaker. Enjoy audio directly from your Amazon Echo Dot via the hardwired aux-in cable. Powers Amazon Echo Dot via included USB cable. Operates on included 100V-240V universal AC adapter. 2 AAA backup batteries for clock included. 1 Amp USB port to charge mobile devices. Gen 1 and Gen 2 docking insert included. Color: Black