Product Name: Magnet Speaker Power: 0.25W/1/4W Resistance: 8Ohm Type: External Magnetic Shape: Round single Size: 27 x 7mm / 1.1 x 0.28 inch (D*H) Color: Green Material: Plastic Weight: 11g Package Contents: 2*speakers Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.