Please kindly noted that this item is sold by Needit from Joybuy marketplace.Description Are you looking for a professional, yet affordable computer ker? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional computer ker must meet you needs. It is one of the best choices for you. Features - Color: Black. - Material: Plastic. - Size: 14 x 7 x 7 cm. - RMS power: 4Wx4W. - Channel: 2.0. - Drive unit: 2.75inchx2. - Frequency response: 20Hz - 20KHz. - Signal to noise ratio: >60dB. - Separation: > 40dB. - Power: 5V USB. - Interface: 3.5mm audio interface. - High-quality plastic makes it stable and does not produce vibration sound. Black and bright colors and led colored oval lights give the ker a sense of science fiction. - With low-voltage digital power supply, the maximum power is 4W x 2, ensuring clear, bright, round and thick sound. - Has excellent bass quality compared to other small kers. Built-in bass diaphragm, closed cavity and low frequency assisted design for powerful bass performance. - To compensate for the of bass in the Mini 2.0 kers, the unique acoustic resonator structure with closed low frequency assisted design makes the sound more penetrating and powerful. Note: Limiting the volume, the bass effect is still not comparable to the big kers and professional subwoofers. - cable and independent LED switch design, stable sound transmission and convenient control. - 3.5mm audio interface for most music players, phone, tablets, MP3 players or other devices, just plug in your device to listen to music at full volume.