Features: Dual treble units+dual bass diaphragms design, presenting more delicate music details, stereo sound effect, HiFi sound quality. Accurate sound positioning, flexible adaptation to different game scenes, create immersive sound effect. Equipped with independent volume adjustment knob, convenient to use. Strip design, not occupy desktop space, bid farewell to the messy cable. USB wired connection, plug and play. Specification: Brand: Colorful Model: CSP-5201 Frequency response: 80Hz-18kHz Signal to noise ratio: ≥75dB Cable length: About 1.2m Input current: 600mA Output power: 3W*2 Power supply mode: USB DC 5V Item size: 38.5 * 6.5 * 5.5cm /15.16 * 2.56 * 2.17in Packing list: 1 * Speaker 1 * User manual