Premium Harman Karden Design</br>Bluetooth Wireless Connection</br>Built-in rechargeable battery upto 5 hours playtime and gives you the convience of playing music anywhere at your home</br>Deep bass from dual passive radiators Amazing audio performace delivering authentic sound.</br>Technical specification: 4x15w Frequency response60hz-20khz</br></br>Product Description</br></br>You can find this item at the website below. http://m.sprint.com/shop/mobile/shop/accessory/ao/accessory_details.jsp?accSKU=87800122</br><br/>http://www.amazon.com/gp/product/B00U6663AO