B&W Zeppelin Mini. System type: single speaker, Recommended usage: mobile phone, Speaker placement: Portable. RMS rated power: 36 W, Frequency range: 38 - 20000 Hz. Amplifier output power: 36 W. Connectivity technology: Wired, Headphone connectivity: 3.5 mm, Docking compatibility: iPod. Width: 320 mm, Depth: 100 mm, Height: 200 mm