Let your music shine, both in sound and in lights with the Craig Electronics CMA3594 Color Changing Portable Bluetooth Speaker. This portable Bluetooth speaker highlights a panel of LED lights that flash to your music as it streams wirelessly from your smartphone, computer or tablet. The built-in rechargeable battery delivers hours of music and lights fun. An auxiliary input lets you play non-Bluetooth portable devices through the system, too.Getting a call while streaming music? The CMA3594 turns into a speakerphone with its built-in microphone which is designed to minimize echo and filter out ambient noise, ensuring a conversation thats easy to hear.