Model Number: SG-109 Key Specifications/Special Features: Stereo surround sound effectUSB 2.0 Speaker3.5 mm standard interfaceSupply mode: USB power supplyRated power: 3.5 W * 2Voltage/current: 5 v / 500mASignal to noise ratio: 80 dbCable length: 1.2 MFrequency response: 20 Hz- 20 KHZTHD + N: < 0.3%size: 150 * 100 * 170 Main Export Markets:

• Australasia
• Central/South America
• Eastern Europe
• Mid East/Africa
• North America
• Western Europe
• Asia