Internal Magnet Electronic Toy Speaker Amplifier 1W 8 Ohm 30mm 4 Pcs Product Name : Magnet Speaker;Power : 1W Resistance : 8 Ohm;Type : Internal Magnet Speaker Magnet Dia : 16mm/0.63";Size : 30 x 5mm/1.2" x 0.2" (D*T) Material : Metal, Plastic, Magnet;Weight : 25g Package Content : 4 Pcs x Magnet Speaker