... . promotion usb 2.0 speaker(model :FS1001)Rated impedance: 4 EuroRated Power: 2.0W * 2Net Weight: 0.42kgSpeaker: 1.5 inchProduct Size ... and fast4, pure, beautiful sound, mellow sound transparent, high clarity, electronic volume control5, low frequency booster smart design ... effect is more outstanding6, using domestic Silan CD quality digital decoder chip, effectively guarantee the output power, sound ...