Fangrui Product Details 1. Pdf4 Pd 25w Fast Car Charger With Hands-free Calls Fm Transmitter 7-color Led Lights Mp3 Player 2. Colorful Breathing Atmosphere Light: 7 Led Backlight & Deep Bass Music, Add More Excitement Impact, And Fun To Your Driving Experience 3. New Upgrade Wireless V5.3: Adopt The Newly Upgraded Wireless 5.3 Chip, With A Dsp Anti-interference Chip, Reject The Ultimate Effect Of The Stuttering Experience 4. Clear Hands-free Phone Calling: It Is A Built-in Mic With High-quality Sound Technology That Offers You Clear Talking. With Just One Click When Receiving A Call, The Wireless Fm Transmitter Will Provide You With A Hands-free Function And A Safer Driving Experience 5. Voice Navigation: Open The App To Get The Information Of Destination On Your Cell Phone, And Broadcast Your Car Navigation More Clearly And Simply, Making You Drive Safer 6. Wireless Connection: Insert The Device Into The Cigarette Lighter Socket→ Turn On Wireless And Search For Bt→ Car→ Connected→the Next Time You Turn On Your Phone, Wireless Will Automatically Connect 7. Automatic Power-off Memory Function: When You Start It The Next Time, It Remembers The Last Connected Device And Continues To Play Where The Audio Was Cut Off 8. Specifications: 9. Usbtf Cardbluetooth Function: Supported 10. Music Format: Mp3 11. Bluetooth Version: 5.3 12. Cigarette Lighter: Dc12v-24v Power Supply 13. Frequency Range: 87.5mhz~ 108.0mhz 14. Voltage Detection: Supported 15. Colorful Atmosphere Lights: Supported 16. Charging Function: A Port: Qc3.0 (max), C Port: Pd25w (max), A+c Port: Qc3.0+pd25w (max)