Hook handle hangs from shower head or curtain rod * Water-resistant seals and Waterproof Mylar speaker * Can be mounted on wall with Velcro® strips (included), Built-in AM and FM antennas * Battery operated: 2 x "AA" (UM-3) (not included) * Size (including hook): 10-3/8 in(H) x 3-5/8 in(W) x 1-3/4 in(D)