1. HIFI CLEAR SOUND: USB computer speakers adopts dual 5W active full frequency drivers to provide HiFi clear sound, and uses anti magnetic technology to suppress static noise, making the sound more vivid and clear.
2. SIMPLE AND MODERN: USB wired desktop ​ size 31.5x6x5.6cm/12.4x2.36x2.2 inch. Clear and fluent appearance, simple but modern design, very suitable for your desk setting.
3. VOLUME KNOB CONTROL: You can turn the dial clockwise to increase the volume, turn the dial counterclockwise to decrease the volume or turn off the speakers. Built in sound decoding chip can synchronously control the volume of computer system through digital volume knob.
4. 3.5MM AUX: HiFi mini ​ uses 3.5mm AUX for sound input. You can connect the 3.5mm AUX cable to the headphone jack on your devices, including different types of PC, laptops, tablets, mobile phones and other mobile devices.

Specification:
Item Type: USB Computer Speakers
Material: Plastic
Color: Black
Power Supply Port: USB
Sound Port: 3.5mm AUX
Horn: 2 Inch x 2
Frequency Response: 60Hz-16KHz
Signal To Noise Ratio: ≥75dB
Impedance: 4 Ω
Distortion: ≤0.5%
Volume Adjustment Mode: Knob
Size: Approx. 31.5 x 6 x 5.6cm / 12.4 x 2.36 x 2.2in
Cable Length: Approx. 1.5m / 4.9ft

packing list:
1 x USB Computer Speaker
1 x Instructions

Note:
Please allow some error due to manual measurement.