3W 1 Pair Mini USB Wired Desktop Subwoofer with RGB Light, HiFi Sound & 360° Surround Sound for Laptops & PCs S-511 (H3.94 × W2.64 × D2.76) inch Features: Small in size, does not take up space, and the desktop is not messy Dual speaker sound unit, 360 degrees surround sound, HiFi sound quality 3.5mm+USB plug, compatible with most computers and laptops Designed with colorful LED light, cool and beautiful Wired control volume adjustment, easy to operate Specifications: Working voltage: USB 5V Speaker: 4Ω 3W 52mm Volume adjustment: support Cable length: 1.2 meters Output power: 3Wx2 Frequency response: 120HZ-18KHZ Plug type: 3.5mm+USB Distortion: ≤0.5% Size: (H10 x W6.7 x D7)cm / (H3.94 × W2.64 × D2.76)" Package Included: 1 x Pair of Speaker