Features: 100% brand new and high quality One key to adjust the bass effect, instantly enhance the car audio level. Mobile navigation voice broadcast. Built-in high-performance decoding module, smart Bluetooth-compatible 5.0 chip, DSP and AD2P noise reduction stereo processing technology, transmission is faster and more stable. The center console of the car is installed without lowering the head, it is within reach, and the operation and use are more convenient. Activate the voice assistant with one click. Not limited to mobile phones, not limited to car models, applicable to mainstream 12V-24V models on the market, compatible with a large number of APPs. Built-in microphone and 3.5mm plug-in directional microphone, better sound pickup and noise reduction, increase the clarity of the call. The dual ports can only charge quickly, and support 3.6V/5V/9V/12V automatic buck-boost charging, which makes charging faster and safer. Power off memory playback. Multiple circuit protection, strong shocks and bumps without electricity.