Large red Altoids Tin with 2 Speaker, it's Crazy Load with more power. This speaker hooks up to any device with a 3.5mm headphone jack. Turn the music on your device to the next level!! It has a mini amp that just boost your music from your device. it come with a USB cable for charging, and the battery last up to 10 hours(results may very). Make sure to check out the other colors and for more power.