Brand Robot Model RS170 Power Output 5W+2W X 2 SNR '70 dB Frequency 60Hz - 18KHz Voltage USB 5V Impedance 4 Pengenalan Produk Feature: 1. 2.1 sound channel desktop speaker, subwoofer with LED light 2. 5V USB powered 3. With rotatable button, easy to adjust volume 4. Support for all audio devices with AUX output