1. Bluetooth 5.3 chip, more stable multi-data transmission, wider wireless coverage. 2. The car audio system changes to Bluetooth audio system in seconds, starts with the car, automatically reconnects, and plays mobile music, audiobooks, and high-definition voice navigation, making driving safer. 3. Built-in microphone, hands-free amplification, clear calls, hands on the steering wheel, safer driving. 4. Suitable for all mainstream models, FM87.5-108Mhz adjustable, plug and play, automatic connection on ignition, stable signal without lag. 5. USB power supply, adjust the product frequency to the same as the car frequency, connect the mobile phone Bluetooth, and the music in the mobile phone can be transferred to the car audio for playback. 6. Transmission distance: 10-15 meters 7. Bluetooth protocol: A2DP/AVRCP 8. Input voltage: USB DC5V
