URGE Basics Travel Bluetooth Speaker with Built-In Microphone: Prepare for music everywhere with the URGE Basics Travel Bluetooth Speaker!  Its compact, portable design and secure zip-closure not only makes it easy to bring on every trip, but safe! From the beach to the office, it's perfect for both on-the-go and day-to-day living! The Built-In Microphone feature allows you to make and receive calls with ease! Daily use is a breeze thanks to its rechargeable Li-Ion battery. Before you know it, you'll be surrounded by nothing but your favorite hits all day long!    FEATURES: Stereo Sound Quality Built-In Microphone Media Shortcut Key Compact and Portable Design Secure Zip Closure Built In Rechargeable Li-Ion Battery USB Charging Cable Included SPECS: Operation Range: up to 33 ft. Input Power: DC 5V Output Power: 3W (RMS) *2 Battery: Li-Ion Power: 3.7V; 750 mA Signal to Noise Ratio: -75db Frequency Range: 275Hz - 20kHz 5 Color choices available!