This product is a special Bluetooth car charger that can switch the call to the hands-free state via the professional Bluetooth module as long as the mobile phone is provided with the Bluetooth function. When the call is finished, it will be switched to the music play automatically. It can also send the music in your phone to your car sound wirelessly. You can enjoy the music and answer the call in hand-free mode without refitting your car, which ensure the driving safety while enjoying music. 3. Descriptions of the Schematic Diagram 1. TF Card slot 2. Play/pause/answer/long press to switch between BT and TF/double click for callback 3. Display window 4. Prev/frequency- 5. Mic 6. Call reject 7. Next/Frequency+ 8. Plug tip 9. USB output: 5V/2A 4. Product Features 1. Any angle adjustable, and applicable for all types of vehicles 2: Digital LED Display 3: Bluetooth Hand-free 4: Bluetooth stereo music play 5: Call Echo Cancellation and Noise Reduction (CVC) technology 6: USB output max 5V/2A for device charging 7: Support stereo sound output and FM Transmission 8: Power-off memory 9: Bluetooth 3.0 10: Support BT running in background 11: Support TF Card Music play 12: Support MP3 music play Technology Parameter Rated Voltage 12V-24V Limited voltage 10~25V USB Output 5V 2A Work temperature 0-50 °C SNR >60dB Degree of distortion Frequency response 20Hz~15KHz Left and right channel dB >60dB Bluetooth version Version 3.0 Bluetooth voice With A2DP(Advance audio Distribution profile) Transmit distance 10M Bluetooth microphone effective range 0.5~2M Transmit frequency 87.5-108MHz Transmit frequency modulation mode Stereo digital PLL frequency lock
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