Color: White<br />Powered by 2 AAA 3V batteries (not included)<br />Size: 80mm x 30mm(Length x Diameter)<br />Material: ABS Plastic｣ｬ Iron Mesh<br />Quantity: 1pc<br />Output: 1W + 1W<br />Frequency range: 200Hz - 20kHz<br />Impedance: 8ohm<br />Audio Jack: 3.5mm<br />Unit Speaker: 28mm x 2<br />Dual channel｣ｬ Mono Speaker.<br />This mini speaker supports connect with your MP3｣ｬ MP4｣ｬ Mobile phone｣ｬ Tablet PCS｣ｬ etc｣ｬ all devices with 3.5mm connector.