uxcell 0.5W 0.5 Watt 8 Ohm 50mm Dia Aluminum Round External Magnet Speaker Silver Tone Product Name : Magnet Speaker;Power : 0.5W;Resistance : 8 Ohm Type : External Magnetic;Shape : Round Magnet Diameter : 32mm/ 1.3";Diameter : 50mm/ 2" External Material : Aluminum, Plastic, Magnet;Main Color : Silver Tone Weight : 42g;Package Content : 1 x External Magnet Speaker