Main Features:  -Dual Use of Home Computer: enjoy the stereo sound quality of the theater, double sound unit, double bass-storm hole, form a stereo field, experience stereo surround sound.  -Lossless Sound Quality: double bass-storm + double speaker configuration.  -Full-range Speaker Bass Technology: Optimized the working state of the traditional speaker, the bass technology makes the low-frequency loudness enhance the powerful bass, and the music details are delicate.   -15° Bevel Design: allows sound to be transmitted directly to the eardrum. Vertical elevation design with separate volume knobs.  -Powerful Compatibility: 3.5mm universal-audio jack, can be used for computer audio, and compatible with 99% of smart devices on the market.    Specification:  Material: Plastic;  Color: Black/White;  Power: 3W;  Frequency: 25Hz-20KHz;  Power Supply: USB;  Channel: 2.0;  Resolution: ≥40dB;  Signal to Noise Ratio: ≥80dB;  Dimension:  Package Weight: 0.65kg;   Product Size (L x W x H): 43.00 x 7.20 x 6.80 cm;    Package Contents:  1 x Speaker;  1 x Manual