uxcell 40mm 16 Ohm 0.25W Internal Magnet Speaker Horn Loudspeaker Green Shell Product Name : Magnet Speaker;Power : 0.25W Resistance : 16 Ohm;Type : Internal Magnetic Bottom Diameter : 15mm/ 0.6";Diameter : 40mm/ 1.6" Height : 5mm/ 0.2";Material : Aluminum, Plastic Weight : 5g;Package Content : 1 x Internal Magnet Speaker