ESP-812 USB computer speakers

Functional description：
*Support FM radio function (would be better if plug the audio output cable)
*support SD card, USB                                                     
*Dual 362 natural sound expansion technology
*Intelligent design touching control system
*Ultra-high-fidelity amplifier module design
*LEA without transverse energy amplification technology

Color：blue/green/red
Qty：60

Product parameter:
Response Frequency:60HZ-20KHZ
Rated Power:left/right channel 4W*2（4Ω），bass 15*1（4Ω）
Power Supply Specification:240V
SNR:>82dB
product Size:D210XW10XH10mm
color box size:D220XW45XH10