Application:Applied to mini box speakers, music player, doorbell, computer, multimedia speakers, etc.It's suitable for all kinds of sound source fabrication, the sound is clear and melodious without distortion. Specifications:Rated Power: 0.5WImpedance: 16 OhmMagnet Diameter : 12 mm / 0.47 inchSize: 28 x 4 mm / 1.1 x 0.16 inch (Dia * T) Package Includes:6 x Stereo Speaker