ESP-850 Laptop USB speakers

Functional description：
With a mixer switch on the back, which is easy to use; The whole tone speaker of AB amplifier circuit; The specially designed resonance box, makes the bass strong, the treble pure, which brings you a perfect timbre; USB power supply

Color：white/black
Dimension (mm):W 520* D 390*H 500
Qty：40
Volume (M3):0.10
Weight (Kg):0.24

Product parameter:
Response Frequency:30HZ-20KHZ
Rated Power:2×3W
Power Supply Specification:5V/1A
SNR:>85dB
product Size:82X86X81mm
color box size:170X100X100