uxcell 6 Pcs 3W 4 Ohm 40mm Round External Magnet Electronic Speakers Trumpet Product Name : Magnet Speaker;Power : 3W Resistance : 4 Ohm;Type : External Magnetic Shape : Round;Size : 40x 25mm / 1.6" x 1" (D*H) Color : Black , Bronze Tone;Material : Aluminum, Metal, Plastic,Magnet Weight : 150g;Package Content : 6 xMagnet Speaker