Color:Black Small in size, big on sound, the C3 delivers astonishing sound quality for its size. Battery powered so the music can move with you. Play your music wirelessly at home in a multiroom setup, or carry it around with you and play wirelessly with Bluetooth. Out in the garden, or bring it along to the beach. The Addon C3 is dedicated to portable music. This is a no nonsense speaker with great sound in focus. Easy to use, easy to like.