Frisby FS-250N. System type: 2.0 system, Recommended usage: universal, Speaker placement: Portable. RMS rated power: 6 W, Frequency range: 200 - 20000 Hz. Connectivity technology: Wired, Speaker interface type: USB, Headphone connectivity: 3.5 mm. Housing material: Plastic. Width: 70 mm, Depth: 69 mm, Height: 160 mm