Features: Reversing priority, mobile phone interconnection, electronic /treble, left and right balance, front and rear balance, volume control. Radio function, support semi-automatic search/manual search/frequency fine-tuning. Power and storage function, memory power interruption radio reception quality/playing-status. Electronic-earthquake/overvoltage/overcurrent-protection. Voice Function: Press the machine voice button. The intelligent voice function allows you to free your hands, and the-voice robot can help you turn on the function you want by saying a word. TF-card function: Support large memory TF-card, you can download the music or movies, which your favour, play on this unit. Specifications: Material:Plastic Size:Approx.17.8x10.2x6.5cm/7x4.01x2.55inch 7 inch Touch Screen Built-in Bluetooth-compatible + Microphone Support hands-free calls Working voltage: 12VDC. Maximum output power: 4x60W Signal to noise ratio: 65dB Frequency modulation: 87.5MHz-108MHz Screen color: 260,000 color screens Card slot: Mini TF-card, 2 USB interfaces. Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Car Multimedia Player