Face the MusicSummer's not summer without the tunes! Share your favorite music with Sunnylife's iconic Beach Sounds. Works with any smart phone or tablet. Play music off your device or off the AM/FM tuner. Bluetooth wireless technology. Also comes with micro USB DC jack. MP3 speaker and AM/FM Stereo 2 band radio receiver. High output power and low distortion, master and bass volume control. Sand and water resistant. Requires x4 AA batteries (not included).