EMB PORTABLE BLUETOOTH BOOM BOX! SD/MP3/USB/PC Rechargeable EURO10 Ultra portable design lets you take this boombox anywhere you want to be! Built in Bluetooth allow wireless connection from your phone to play all your favorite songs! Play Mp3 audio filses from USB, SD, and standard 3.5mm Aux port to virtually connect to any device to pay music: smartphone , tablet , cell phone , mp3 player , laptop computer , desktop PC , portable DVD player , handheld gaming console or other device! 2 Speaker design with volume and Bass control knobs! Built in 7 hr. rechargeable battery. In put DC 5V / Interanel 1200MAH Battery / Frequency response 100-20Khz / Output power: 5W*2 - SN/R:80dB