Car Radio Universal Auto MP3 for Modification Feature:1. Builtin Chip: connects to mobile phones for navigation, voice broadcast, song and music playback, and so on.2. Output: Can be connected to an active subwoofer (not included), the sound quality is clear, provide you more real sound.3. Quality Sound: The car radio takes you to experience the ups and downs of musical notes, and the visual effect is even better.4. Poweroff Memory: Automatically reconnect after power on, memorize and play the latest song before poweroff, more intelligent yo use.5. Universal Accessory: The radio frequency is 87.5-108MHZ, and the premium car media receiver is widely used in various brands and models.Specification:Item Type: Car RadioMaterial: ABS + MetalVoltage: 12VConfiguration: LEDScreen Model: LED_VAPower: 45WMaximum Output Power: 180WPC Interface Type: 12PINBattery: 2PCS AAA battery, 1.5V 400mAh (not included)Radio Frequency: 87.5-108MHZApplication: UniversalPackage List:1 x Host1 x Power Cord1 x Remote Control1 x Manual2 x Disassembly Key How to use: Theblackwireisconnectedtothenegative,theredandyellowwireisconnectedtothepositive.