Output: 3w x 2 (rms)
s/n ratio: 65db isolated
rate: 45db
impedance: 4 ohms
power usb 5v
speaker unit: 52mm
speaker 2.0 inch drive unit
power through usb port
with volume control
can use in pc / phone / laptop
speaker dimension: 8.6cm x 9.2cm x 14cm (lxwxh)
available in many quantities....