House of Marley, Bag of Riddim Bluetooth Portable Audio System - 4.5" High-Output Woofers, 1" High-Definition Tweeters, Removable Bag with Strap & Handle, Bamboo Faceplate, EM-JA010-MI Mist Portable audio system for iPod, iPhone, iPad, Android, smartphone, tablet and hundreds of other devices 4.5" high-output woofers, 1" high-definition tweeters and a powerful amplifier provide deep bass and an enhanced listening experience Intelligent power system can use a 100-240 VAC universal wall adaptor or 6 D-cell batteries, with optional rechargeable lithium ion battery now included Protective REWIND fabric canvas carry bag, made from organic cotton, hemp and RPET (recycled plastic bottles) FSC-certified birch wood and recycled packaging