... melodious sound 3. great sound 4. USB card,remo mini subwoofer speakermini speaker, computer speaker, Selling point:Extendable bass chamber: ... t eat it!Delicate appearance: refined superfacial treatment, the best ornament of your music life.etractable cable: just a ... red, black, white, silver…, or make to order. Specifications:Rated power: 2WSNR≥89dBFrequency response: 150-20KHZSpeaker drivers: 3.6 cm ...