Main Features Cable Kart Mini USB2.0 Speaker with 3.5 mm Audio Input Port Mini size facilitating carrying-on,USB power supply, portable and lightweight Extraordinary tone quality, extra-loud speaker can be used in extremely noisy environment Sweet timbre and fully clear sound, just enjoy it One of the best partner to your laptop or computer Compatible with laptop,computer,MP3/MP4,cellphone etc. This portable speaker is specially designed for Desktop, Laptop, Notebook, Tablet PC.with colorfull LED Lights. Its high-grade loudspeaker will bring you much wonderful music. the sound will fully fill the room. With this product, you can greatly enjoy your favorite music all day. Features: Hi-fi speaker, to ensure the perfect sound quality. 3.5mm audio input connector. Powered by USB. Compact, portable, convenient to carry Device : Desktop, Laptop, Notebook, Tablet PC and Smart Phones, etc.