Specifications: 1.2.0 Computer speaker system. 2.Rated Impedance 8ª+í+0.5ª+ 3.Output Power 1.5W*21KHZ,THD10% 4.Supply Voltage5V48V and PC USB 5.Frequency Response180HZ20KHZ, 6.Degree of Dissociation í¦38dB 7.Supply Voltage Rejection í¦45Db 8.Input:DC-5V 9.Built-in battery:4V*1000NA 10.Power output:RMS 6W(3W+3W)=THD10% Other information: 1. Stable raw material with high quality 2. Fast shipment 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 Packing by color box