SUPCASE Music Fans Series Lightweight Portable Wireless Bluetooth Speaker (Yellow) - Premium Sound, One Touch Play, Rechargeable Battery Premium sound quality with enhanced bass (advanced audio performance) Ultra lightweight portable design; Built-in rechargeable battery One-touch operation; Easy turning for volume adjustment Wireless connects to your Bluetooth device including iPad, iPhone, Tablet, Smartphone with Bluetooth connection, and laptop with Bluetooth connection Multiple color options: Once you pick a color, the choice is easy