Waterproof Bluetooth Shower Speaker. Made of silicone. 3.5 " x 2 ". You can stick the speaker on your shower wall using the suction cup, easily pair with your iPhone, Android or Tablet, you are ready to start singing along to your favorite tunes whilst enjoying your shower. The speaker even has a microphone so that you can take that important call in the shower. Your clients will really appreciate this gift. Various colors are available.