Animal MP3 Speaker with LED Base and Dynamic Sound - GOgroove Groove Pal Junior Polar Bear. Cute Look, Powerful Sound. Don?t let the cute exterior fool you! The compact design fits in the palm of your hand, but also houses a powerful 40mm high-excursion driver AND passive bass woofer for full-range audio. Simply plug the 3.5mm aux cable into the headphone port of your favorite media device and adjust the on-board volume control for a great listening experience anywhere. Portable Playback - This versatile, compact speaker accepts power by battery or USB cable. Simply insert 3 AAA batteries for an incredible 12 hours of audio! For continuous power, use the included USB cable with your computer or other 5V USB adapters. Playful Design - The Groove Pal junior loves to make friends! The 3.5mm Pal Link port allows you to connect additional Groove Pals for even GREATER sound. The innovative LED base compartment holds the batteries and also features a stow-away 3.5mm audio cable. Switch on the LEDs and the base will glow while you play your music for a fun audio-visual experience! WORKS WITH: Apple iPod Nano , Classic , Touch , Shuffle , Waterfi Waterproof Apple iPod Shuffle , Coby MP620 , MP301 Micro , Kubik Evo , SanDisk Sansa Clip+ , Zip , Fuze+ , Clip Sport , Samsung Galaxy Player , Muse , Sony Walkman , NWZE385 , NWZ-B173F , Philips GoGear Connect , Raga , Zune HD , PONO , Beats Music , RCA 4GB , SODIAL 4GB , iBasso DX50 HD , and More MP3s!