Electronic Toys Round Metal Internal Magnet Speaker 1W 8 Ohm 50mm 4Pcs Product Name : Magnet Speaker;Power : 1W Resistance : 8 Ohm;Type : Internal Magnet Shape : Round;Magnet Diameter : 18mm/ 0.71" Size : 50 x 12.5mm/2" x 0.5"(D*T);Material : Magnet,Metal, Plastic Weight : 66g;Package Content : 4Pcs x Internal Magnet Speaker