Rated Power: RMS 3WX2(THD=10%,f=1KHZ)
Frequency Response: 100Hz~20KHz
S/N radio:≥75dB
Impedance:4Ω
Power: DC 5V
Color: Black/Red/Blue
Package:50pcs/CTN
Crystal Plastic Crust.
Support usb host/SD/MP3 playing.
FM function by option.
Stero sound. Ultra-low sound.
Audio input.
600mah rechargeable Li-thium battery
With FM and Inside Antena