Specifications: Material:Pure ABS Rate power: 3W x 2 Frequency range90HZ~20KHZ(Hz); Input voltage: DC5( V ); Impedance: 4HM( ª+ ); Frequency response: 50/60HZ(Hz); Power supply:USB Cable for PC(5V); 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 carton size:705*395*370mm q'ty:40pcs/ctn
