Widely compatible with devices via USB power supply and 3.5mm audio interface, compatible with most electronic devices on the market No audio delay provides clear sound for an immersive experience Powerful bass performance with 50mm large drivers and passive diaphragm design enhances low-frequency response, delivering clear and rich bass Compact size with high output, dual-speaker stereo system that saves desktop space 360-degree stereo surround sound with synchronized left and right channel output, clear audio layers create an enveloping sound field Name: Computer Speakers Input Power: DC 5V Speaker Specifications: 50mm x 2 Frequency Response: 25Hz - 20kHz Signal-to-Noise Ratio: 80dB Power Supply: USB DC 5V Input Interface: 3.5mm Stereo Input Control Method: Wired Volume Control Color: Black Material: Plastic Package Contents: 1 Pair Computer Speakers 1 USB Cable 1 Instruction Manual (Chinese and English) Product not included except as mentioned above Note: Due to lighting and display differences, the item color may vary slightly from the images. Measurement error allowed within +/- 1-3 cm