Features:<br />USB power jack, 3.5 MM audio jack. Plug and play<br />Suitable for desktop computers, laptops, smart TVs and projector devices and mobile phones with 3.5mm audio jack (must be powered externally by USB)<br />specification:<br />Output power: 3W * 2<br />Colour: Black<br />Cable length: 1.35 meters<br />Volume control: volume adjustment knob<br />Product Name: USB 2.0 Computer Speaker<br />Speaker size: 2 inches<br />Material: ABS + aluminum alloy<br />Output voltage: 5V<br />Output method: 3.5mm<br />Audio input signal-to-noise ratio: ≥80db<br />Product size: 31 * 6.3 * 6cm<br />Product weight: 506g<br />Packing size: 36 * 7.6 * 6.7cm<br />Package weight: 595 g<br />Checklist:<br />1 Q2 wired speaker<br />1 color packaging