YINDIAO A36 Smart Subwoofer Computer Wired Speaker, Rotary Button Mini Version(Black)

1. USB wired power supply 2. 3.5mm audio cable connection 3. Rotary volume adjustment, easy to use 4. Charging voltage: 5V 5. Sound unit: 58mm 6. Frequency response range: 80Hz-18kHz 7. Signal to noise ratio: greater than or equal to 80dB 8. Adopting dual unit + dual bass diaphragm design, small size and sufficient volume 9. 6D cinema sound effect four units 10. Material: plastic + metal