Check the listing for details. Logitech S150 USB Stereo Satelite Speakers Black System for Laptop Computer. Color: Black, Condition: Open box, Made in United States. Listed at 13.95 USD. Nice Speakers to connect to your Laptop Computer. Features: Convenient, able to output crisp audio sound. USB connectivity, requires only one USB port for both audio and power. Glossy finish. 3 buttons for volume and mute control. Portable for use with laptops. Frequency response of 90 hertz to 20 kilohertz. Power output of 1.2 watts combined. Speakers feature standard-size USB port. Does not have a 3.5 millimeter stereo audio jack. Will NOT work with mobile phone or Apple iPad. No special software required. Measure 6.7 by 5.7 by 3 inches. 47-inch USB cable. Does not require AC adapter. Total power rating of 1.2 watts RMS. Has integrated woofer. NO RCA ports. NO earphone jacks. Opened Box. Never used, not compatible with my older desk top computer. Price is for one. No 90590.