1、High-quality digital stereo tuner, tuner can automatically adjust, semi-automatically search for radio stations to listen to music, news and travel information. 2、The front detachable panel design is more stylish and easier to remove. 3、Support for large-capacity memory USB0, you can download MP3 music and play it on this unit. 4、Built-in Bluetooth function module, you can connect your phone, hands-free calling, and safer when driving. 5、Support external plug AUX audio input, such as for GPS navigation, MP3, MP5, phone music and so on. Features:  1. High-quality digital stereo tuner, tuner can automatically adjust, semi-automatically search for radio stations to listen to music, news and travel information. 2. The front detachable panel design is more stylish and easier to remove. 3. Support for large-capacity memory USB 2.0, you can download MP3 music and play it on this unit. 4. Built-in Bluetooth function module, you can connect your phone, hands-free calling, and safer when driving. 5. Support external plug AUX audio input, such as for GPS navigation, MP3, MP5, phone music and so on. 6. Power-off memory function in any state. You can easily find which song you heard last time. Specification: Model: RK-522 Color: Black FM Channel: 87.5-108MHZ Signal to Noise Ratio: ≥ 60db Frequency Response: 20-20000Hz Maximum Power Output: 60Wx 4CH Voltage: DC 12V Package List: 1 x Car MP3 Player 1 x Remote Control (with battery delivery) 2 x Demolition Key 1 x Power Cable 1 x User Manual Note:  1.This product support remote control. 2.Support large-capacity memory card, you can play MP3 on this car player. 3.Support AUX audio input function.