Siemens' Aquaris waterproof hearing aid and Aquapac

Promoted as the only waterproof hearing aid in the world, the Siemens Aquaris (left) lets those who have lost their hearing enjoy the water safely again. Comfortable, durable, and offered in a variety of colors, it can connect with a Siemens transmitter (right). Together with an MP3 player, you can listen to music while going for a dip in the pool by placing these devices in the waterproof Aquapac (Available through health care professionals, about $300-500).