Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Dear friend please contact us whenever you want to know well the item for we are 24 hours business and willing to answer any questions.If you have a radio， MP3 or other stereo system attached to your car or motorbike， get great sound on the move with this hi-fi amplifier which is also a great option for connection to your home theatre or entertainment system. Features： 1.MP3， iPod， CD player input jack 2.200W max power output 3.Low distortion 4.Great for use on your vehicle or your home 5.Smart， lightweight aluminium casing 6.lightweight， has a matt silver casing and allows for full control of your volume， treble and bass output. It also has a jack for plugging your MP3， MP4， iPod or CD player Specifications: 1.DC Iutput: 12V-18V 2A 2.Jack input: 1/8" (standard stereo jack) 3.Voltage: 12V 4.Material: lightweight aluminum 5.Dimensions: 14 x 10.5 x 4cm (5.5 x 4 x 1.5") 6.Input impedance: 47K 7.Speaker Impedance: 2-8Ω 8.Total harmonic distortion: <0.4% 9.SNR: > 80dB 10.Frequency response: 20Hz-20KHz 11.Color：Silver Package included： 1 x Hi-Fi Stereo Amplifier