Product Name : 3 Watt 4 ohm 1.6-inch Acoustic Speaker Power: 3W Impedance: 4 Ohm Type: External Magnetic Size: 1.6inch/40mm (approx) Color: Black, Bronze Tone Material: Aluminum, Metal, Plastic, and Magnet. Weight: 70g Package Content: External Magnet Speaker. Note: This is a low-cost non-branded product. We don’t guarantee nice output and product finishing. We dispatch randomly as per color and brand availability.