This speaker is widely used for small speakers, small satellite boxes, multimedia, computer audio, subwoofers, convenient audio products, small sound columns, sound producing products, etc...

It is made of environmentally friendly temperature resistant material, sufficient power, good quality, fine workmanship, good volume, good material, and good sound quality, 

Diameter: 29mm 
Voice coil impedance:8+15%Ω
Resonance frequency:500+20%Hz 
Rated power:0.25W
Maximum power:0.5W
Characteristic sensitivity:9213dB 
Frequency range:0~20KHz