Induction speaker magic box speaker for iPhone magic speaker

Output：3.7v
Output power：3w*2
Input：5.0v
Loudspeaker：45mm*2 4Ω
Singnal and noise ratio：≥80db
Material：ABS Plastic
Unit Size: 15.3*9.7*8.8cm;

1.AUX IN.

2.FM frequency range:87.5-108MHz,;

3.with rechargeable battery                    

4.Induction function