uxcell 0.5W 8 Ohm 50mm Diameter Internal Magnet Speaker Loudspeaker 4Pcs Product Name : Magnet Speaker;Power : 0.5W Resistance : 8 Ohm;Type : Inside Magnetic Shape : Round;Size : 50 x 10mm / 2" x 0.4" (D*H) Material : Metal, Plastic,Magnet;Weight : 55g Package Content : 4 x Inside Magnet Speaker