Output: RMS 3W THD=10%
Frenquency Response: 20-20KHZ
Signal and Noise Ratio of power amplifer: >= 80dB
Loud Speaker: 1.57 inch (external diameter 40mm)
Magnetic resistant 4 Ohms
Line in/5V: USB power supply
Package Included
1 pc Hello Kitty mini Speaker
1 pc USB cable line
1 pc user manual