M1250 Computer Portable Speaker Anti Magnetic Force Support USB Power Multimedia Stereo

USB powered, compact 2.0 multimedia speakersFlat panel designed satellitesMagnetically shielded speakersBuilt in power and volume controls3.5mm auxiliary input and headphone jack Model Number: EDIFIER M125 Number Of Speakers : 2 Material: Plastic Channels: 2 (2.0) Audio Crossover: Full-Range Max Power Output: RMS 0.6 Watt X 2 Signal to Noise Ratio: Above 80dB ( A ) Speaker Control: Front master volume knob adjustment Input socket: 3.5mm Stereo Line-in (USB Power apply) Input impedance: 10Kohm Input sensitivity: 250mV +- 50mV Full-range unit: Magnetically shielded, (50mm X 90mm), 4ohm Dimensions measurement: Powered speaker 68(W) * 166(H) * 94(D)mm  2.68 x 6.54 x 3.7 inches  Weight: About 1.21 lbs (550g)