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. Specification: Brand Name: SADA Model: V-193 Material: Plastic Output Power: 3W Channel: 2.0 Frequency Response Range: 25Hz-20KHz Separation: 40dB Power Supply: USB 5V SNR: 80dB Voltage: 5V Current: 60Ma USB Cable: approx. 1m Audio Cable: approx. 1m Size: approx. 32*6.4*6.8cm / 12.6*2.5*2.7inch Weight: approx. 549g Color: Black, White (optional) Package List: 1 * Wired Speaker 1 * User Manual