Take the party anywhere with the Audiobot Beanie Powered Speaker. This super cute little dude can go anywhere your iPod, Smart Phone, or Mp3 player can go. Just plug it into your music with the 3.5mm audio cable or universal USB cable that are included and get your jam on. This Audiobot speaker has a built-in amp and 2000 milliwatts of output for seriously loud and clear sound quality.With 4 hours of battery life, the Audiobot Beanie Powered Speaker will keep the party going all night.AUDIOBOTS Beaniebot Powered Speaker has a built-in amp with 2000 milliwatts of powerful audio that lets you listen to any mp3 player or mobile phone without headphones, *Beanie colors will be sent out randomly. Thank you for understanding.*2000 milliwattsAudiobots have a built-in lithium battery that recharges when connected to your computerIncludes a USB cable for recharging and 3.5mm audio cable for MP3 players or mobile phones4 hours of battery life2 x 2 x 3 inches - 4 ouncesManufacturer Recomended Age: 6 months - 15 years