uxcell 4 Pcs 16 Ohm 0.25W 29mm Round External Magnetic Electronic Toy Speaker Product Name : Magnet Speaker;Power : 0.25W Resistance : 16 Ohm;Type : External Magnet Shape : Round;Magnet Diameter : 16 x 3mm/ 0.63" x 0.12"(D*T) Total Size : 29 x 9mm/ 1.2" x0.35"(D*H);Material : Plastic, Magnet Weight : 30g;Package Content : 4 Pcs x Internal Magnet Speaker