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

Description:Suitable for car， motorcycle， computer etcAdopting advanced BTL and FM/USB/SD integrated circuit design， rational layoutAdopting imported sta540sanIC， all-aluminium shell design to high-efficiency coolingDirect-current power supply， circuit protection， low noise， high output power， high fidelitySupport high-low tone/power switch control， volume control， support U dish， SD digital card and Mp3 audio format playFront function: High-low tone/power switch control， remote control receive window， function keys of USB/SD cardBack function: Speaker output with 2 sound track wire clip， DC12V input， 3.5mm input portPowered by 1 x CR2025 battery， not includedNote: This product use in DC 12V power supplySize: Approx. 9.8 x 8.8 x 5cm / 3.85 x 3.46 x 1.96 inchColor: RedPackage Includes:1 x Power Amplifier1 x Remote control (not included the battery)