DURHERM Dual Woofer Speaker Combo Space Saver Computer PC Laptop Notebook Tablet Home Audio System with USB & SD Audio Inputs Move big on listening music or playing games with this subwoofer speaker combo system USB, sd memory card inputs for playing mp3 or wma songs 70 Watt pmpo and 35 watt rms total Luxury design and piano finish surface High end crossover tehchology reduces distortion provides natural realistic sound