Creative TravelSound i Box Content - TravelSoundi Portable Speaker, Docking adapters for TravelSound i, Infrared remote control with battery, Universal power supply adapter, Stereo-to-stereo cable, Video cable, Protective carrying pouch, Quick Start leaflet & Warranty and Technical Support leaflet Power output - 4 Watts/ch RMS (2 channels) Driver size - 36mm x 4 Frequency Response - 150Hz - 20kHz Signal-to-Noise Ratio (SNR) - 75dB