Features: Stylish appearance: aluminium sliver star-style housing Ultra-convenience: light weight and tiny design enables you take it wherever you want Simple motion: simple connection soon make your iPod become a portable stereo audio system Heart-quaking sound: high efficient "Class D" digital amplifier with first-class bass booster produce sounds of nature The combination of advanced "class D" technology and plentiful experience ensures I-docker producing hi-fi sounds Full stereo effect: the disconnection between docker and satellite speakers enables you to adjust the ideal distance Remote control: give you the power to control the system handily Docking station: resting your iPod and charging your iPod Functions: Suitable to connect with any iPod generation Charge iPod Remote controller Built-in 2 x 5W digital amplifier make iPod become a portable stereo audio system Moving satellite speakers to adjust the distance ensures the full enjoyment of stereo effect Elegant, integrated controls both in power and volume Specifications: 1 Front Speaker: Meas.: H128xW64xD42MM Weight: 282g Transducer: Two full-range units, F32mm, Aluminium Cone, Neodymium Magnet w/ shielding shell Impedance: 8 ohms/Unit, 4ohms total by parallel 2 transducers SPL:>90dB at 0.1MxW Frequency Response：150Hz-20kHz +/-3dB RMS Power:>4W Maximum Power:>8Wrms at 1min 2 Docker: DC Power Supply: 15V 700mA, hi-efficiency switching power supply, green product,<0.5W in standby mode, GS/UL/BEAB certified AC power supply: optional for worldwide line Voltage Dimensions: L88xW88x41H Weight: 174g Power Amplifier: 2x5W rms, Digital Power Amplifiers/N Ratio:>70dB Channel Separation:>60dB THD:<0.1% at 1kHz, 1W, 4ohms Load:4 ~ 16 ohms Amplifier efficiency:>90%(Green Product) Amplifier Freq. Response:20-20kHz +/-1dB,Total Consumption: 5W at normal volume playing (Green Products) Standby consumption: <0.5W 3 Remoter: Method:IR (infrared ray) digital modulation, Frequency: 38kHz Work Distance:>7M Work Angle: +/-7 degree keys: 16keys, full function