I'M Not A Boom Box! Take it to the beach, take it to the shops, tote your tote, your tunes and a lot more! Big enough to carry it all, I AM Not a Boom Box gives you a soundtrack for all the activities in your life. FYDELITY stereo bags have a built-in amplifier and speakers that let you listen to music without headphones. Fydelity bags connect to most any MP3 player or smart phone. Bring your beats to the streets or just bust some jams with your friends while “Listening Outside the Box”™. Features - PU Leather Handles, ABS plastic. 600 Denier Polyester with PU Backcoating. - Built-In Speakers and 3000 milliWATT amplifier. Connects to any MP3 player. Directional Speaker Pannels - POWER REQUIREMENTS: DC 6 Volts, On/off switch with blue LED indicator light - BATTERY: Use only 4 x “AA” Alkaline, Lithium or rechargeable cells for optimum performance up to 8 hours - INPUT: 3.5 mm stereo iPhone compatible jack - OUTPUT: Maximum 3000 milliWatts, signal to Noise Ratio: 60db, frequency Response: 150HZ ~ 20KHZ. Amp Input Sensitivity: 200mV/150 ohm (at 1KHz). Channel Isolation: 40db. Distortion: 1.7-9.2%