GOgroove Portable Koala MP3 Speaker with Glowing LED Base , Clear Bass and 3.5mm Cable - Works With Apple iPod Nano / Shuffle / Touch and More MP3 Players - Includes Bonus Accessory Bag The Groove Pal Jr features a high-excursion driver and passive bass woofer that produce crystal clear sound for your Apple iPod Nano / Shuffle / Touch , Waterfi and More Mini iOS MP3 Players! A built in WRAP-AROUND 3.5mm CABLE and small compact design make it a perfect desk mate or travel companion for kids, teens and adults | Powered via 3 AAA Batteries or USB port Comes equipped with an easy-to-use onboard volume adjustment knob and a power/light switch | Backed by 3 YEAR MANUFACTURER'S WARRANTY Join GOgroove Audio and Accessory Power in supporting organizations that help endangered species! Visit AccessoryPower.com TECH SPECS - - Speaker: 3W; 6W Peak / Audio Input: 3.5mm plug / Audio Cable Length: 14.5 inches / Power Input: 3x AAA battery or USB DC 5V / Dimensions: 3.6 x 3.5 x 3 inches