This is a slender USB-powered speaker; its steady and lossless bass sound effect and stereo surrounding sound loudspeakers bring you wonderful music. With 3.5mm audio plug, compatible with various devices, convenient to use. Features: 3D Stereo Sound: Adopts 2pcs of high power speakers, equipped with DSP bass sound technology, offers you penetrating and high quality sound and make you feel like in the live. Wide Compatibility: It's perfect for desktop, laptop, smartphone, tablet PC, MP3, MP4 and other devices with 3.5 mm audio ports. USB powered design makes it easy to get power supply. High-quality plastic-made body, durable for long time use, lightweight and portable, convenient to take. Classical appearance makes it beautiful and all-match with the decoration style of your room. Volume knob on the cable can help you easily adjust the volume, the blue LED breathing light makes the speaker more exquisite. Specification: Brand Name: SADA Model: V-196 Material: Plastic Output Power: 3W Channel: 2.0 Frequency Response Range: 25Hz-20KHz Separation: ≥40dB Power Supply: USB 5V SNR: ≥80dB Voltage: 5V Current: 600Ma USB Cable: approx. 1m Audio Cable: approx. 1m Size: approx. 32 x 6.4 x 6.8cm / 12.6 x 2.5 x 2.7inch Weight: approx. 549g Color: Black, White (optional) Package List: 1 x Wired Speaker 1 x User Manual . Note: 1. Please make sure your device has a 3.5mm audio port before ordering this product.2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 3. When using the computer, if the product does not produce sound, please adjust the computer to headset mode.4.During the design, the high and low frequencies of the product are well matched. 5. Connected devices without 3.5mm audio interface need customers to buy their own adapter cable with the use; some TVs connected to the product no sound need to change the audio output mode in the TV settings - sound output - change the audio output mode.