Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Power: Rated Power / Maximum Power 3.0W / 3.5W.
•Impedance: 8 Ohms Plus/Minus 15%.
•Size: 70 mm * 31 mm * 16 mm / 3.1 inch * 1.2 inch * 0.63 inch (L* W * T).
•Compatible With Arduino, Robot, Raspberry Pi, Advertising Machine, Game Machine, Integrated Machine Special Speaker etc, Projects.
•For more information, please refer to the Wiki page: Stereo_Enclosed_Speaker_(3_W,_8_ohm)-CQR0508.