Hot neue USB-Lautsprecher

Hot new USB speaker Specification ; Output ;RMS 3W+3W S/N Ratio :65dB Isolated Rate:45dB Impedance:4 ohms Power: USB5V Speakerunit:3W*2 Features; *Accompanying speaker for PC.MP3,MP4 and notebook *Mellow and clear timbre *Built-in active amplifier *Pure and elegant sound quality with unsurpassed effect *In compliance with acoustics and aestetics rationale *Flexible sound with distinct tone levels *Small sized design, easy to take About us; 1; Stable raw material with high quality 2; Fast shippment,competitive price with high quality. 3; we do supply best services to all the customers. The more you order , the better price you will get . 4; If you have problem with the price or other problems , please contact with our sales directly at any time .