Direct connection via CD changer port with CD quality sound. Control music files from your car radio panel or steering wheel. Supports USB flash drive, SD card, and 3.5mm auxiliary input. Built-in high-quality MP3/WMA decoder. Built-in amplifier chips. No signal interference, no battery required. Easy to install and use. Compatible with the following vehicle models: 2003–2011, 2006–2010, 2012 Element 2003–2011, 2005–2010 Pilot 2005–2011 Fit 2006–2011 S2000 2005–2010 CSX 2006–2011, 2005–2006, 2007–2011 TSX (excluding Type S 2004–2011) Fits head units including: Navi Radio, Premium 6CD Radio, single CD radio, 6 CD Radio, 1, 1sc0, 1yc5, 2hu2, 2j30, 2j32, 2j34, 2jl0, 2jb0, 2ka0, 2mb0, 2p30, 2p32, 2p34, 2pl4, 2tw0, 3sa0, 3ts0, 3yc0, 3yn0, 4mf1, 4xb0, 4yl3, 7bk0 Not compatible with 2004–2008 TL models. Not compatible with active satellite radios or navigation systems. Specifications: Voltage input: DC 12V Maximum current: 200mA Total harmonic distortion: 0.01 percent Frequency response: 20Hz–20kHz Operating temperature: -30°C to 80°C Color: Black + yellow Material: ABS plastic Package includes: 1 x AUX adapter 1 x SD card (color may vary, specific color not guaranteed) Note: The package includes only the items listed above. Other accessories shown are not included. Note: Lighting and display settings may cause slight variations in color between the product image and the actual item. Measurement tolerance is +/- 1–3 cm.