[Update Release]EC Technology 5W Enhanced Bass Bluetooth 4.0 Speaker, 8-12 Hour Playtime - Titanium Gray Incredible sound quality surprising fullness realized through a 5W driver, top CSR Bluetooth chipset, distinctive Cavity Design and the enhanced bass resonator, Zinc Alloy Shell. The latest Bluetooth 4.0 Easy connection works with all Bluetooth-enabled devices; equipped with a 3.5mm audio jack for non-Bluetooth devices. Unrivalled 8 to 12-hour playtime powered by a built-in rechargeable 500mAh Li-ion battery. Outstanding connection range of up to 33 feet, double as a speaker phone. Package contents: EC Technology Portable Bluetooth Speaker, micro USB cable, 3.5mm audio cable.