Ace. Now even more discreet than ever. As Siemens’ tiniest receiver-in-canal instrument, Ace™ offers utmost discretion and a superb listening experience so you can savor every moment with complete confidence. It sits discreetly behind your ear, delivering optimum sound quality and audibility so natural, you may forget you’re wearing hearing instruments.* And Ace’s discreetness can be enhanced even more. Use the touchControl App to easily and discreetly operate Ace with your Android or iOS smartphone: What looks like checking for a text is really a hearing aid adjustment in disguise! So wherever you are, whatever you do, Ace lets you enjoy the sound of life