Philips USB Powered Portable Notebook Speakers

Philips USB powered notebook speakers. Notebook. MP3. PC. 3 power options; USB, battery, passive. Click together system and cable storage. Ideal for traveling. Speaker will continue to operate in passive mode if USB power connection is not available and/or available and/or batteries have run out of power. Wide stereo sound. USB powered. 3 x 1.5V LR03 passive mode. 3.5 mm stereo plug. Frequency range: 100-18 000 Hz. Impedance 4 Ohm. Power Supply: 3 x AAA (not included). CE listed. Made in China.