Neon Polka Dot Party Fanny Pack Stereo Speakers for Music Playing Audio DevicesBonus Accessory Bag Audio-Blasting Fanny Pack works with Smartphones, MP3 Players, Tablets andany device with a 3.5mm headphone jack! Powerful & Portable Sound with Built-in Speakers and Amplifier 4 pockets for extra Accessories Storage ; Perfect for beach days, raves, festivals, partys, and more On-The-Go activities! Adjustable waist strap and heavy-duty buckle so you can "wear your sound" Powered via USB, 3.5mm audio output cable, and 2ft 8in seperation cable