• Wireless speaker with rich stereo sound ;• One 5 in. + two 2 in. built-in speakers ;• Full range speaker and passive radiator delivers extra bass ;• Lightweight and portable ;• Bluetooth(R) V4.0 compatibility allows audio system to work with Bluetooth(R)-enabled devices ;• USB, microSD(TM) Card, aux, and microphone inputs ;• FM tuner;• Output power: 16 watts ;• Operating voltage: DC 5 volts ;• 3.7-volt, 2,400 mAh rechargeable battery;• AC output power: 110 volts to 240 volts, 50/60 Hz;• DC output power: 5 volts, 500 mA;• Frequency response: 100 Hz to 20 kHz ;• Wireless range: 32.8 ft.;• Includes USB cable, aux cable, carrying strap, and manual ;• Blue;