PRODUCT FEATURES : Output power : Max 3W SNR (Signal to noise ratio) : 80db Total harmonic distrotion plus noise : 0.11%-0.15% Output Noise : 100-150uV Efficiency 90% FSW : 260KHz Static Current : 8-16mA Fantech HellScream GS201 Mobile Gaming and Music Speakers with Bass Resonance Membrane (White) is a portable USB powered speaker built in sound amplifier designed for mobile gaming and music. It is tiny but mighty size giving you the best and clear sound quality by digital amplification and bass resonance membrane on the bottom with low-power consumption for longer mobile music experience. Warranty : 1 Month Local Supplier Warranty Free : Fantech SVEN MP25 High Non-Slip Base Gaming Mouse Pad x 1