Sensentive Voice Recognition with No Latency Supports Siri, Google ect. Smartphone Voice Assistant Supports off-line Voice Commands (see below specifics) Dual Internal Microphones for Noise Cancelling and Voice Pickup Full Range of FM Frequency: 87.5-108MHz Dual Way for Audio Streaming to Your Car Stereo: FM Transmission or Aux Jack Flexible/Enhanced Goose-neck Adjustable to Find Better Viewing Built-in LED for Voltage Detection and Frequency Display Dual USB Charging Ports: 5V/2.4A + QC3.0 Voice Prompt and Hands-free Calling for Safe Driving Offine Voice Recognition: Answer the phone; Reject the call; Play music; Stop playing; Play next; Play previous; Volume up; Volume down