The Hidden Radio + Bluetooth Speaker is just what it says it is. This tiny device has rechargeable batteries and is activated by simply spinning the top. As you turn further the volume increases up to an incredible 80 decibels. It uses Bluetooth technology to wirelessly connect to everything from your MP3 player to your tablet. It offers an AM/FM radio and for those without Bluetooth capability, a 3.5-inch audio jack. The HR+B will retail for around $120 when it becomes available. Check out the cool story behind this great device.