Simply pair this wireless speaker with your device and enjoy dynamic stereo sound from up to 30 feet away with up to 2 1/2 hours of play time! Flashing with the music make it a great present especially for night acitivites. It comes with a built-in rechargeable Li-ion battery, a charging cable and an audio I/O cord in a gift box. Idea for music stores, educational organizations, travel agencies and company thank you gifts. Perfect for office, home or outdoor activities. Perfect for reminding them of your brand on the daily.