PDF4 PD 25W Fast Car Charger with Hands-Free Calls FM Transmitter 7-Color Led Lights MP3 Player 1.Colorful Breathing Atmosphere Light: 7 LED Backlight & Deep BASS Music, add more excitement impact, and fun to your driving experience 2.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 3.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 4.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 5.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 6.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 Specifications: 1.USBTF cardBluetooth function: supported 2.Music format: MP3 3.Bluetooth version: 5.3 4.Cigarette lighter: DC12V-24V power supply 5.Frequency range: 87.5MHZ~ 108.0MHZ 6.Voltage detection: supported 7.Colorful atmosphere lights: supported 8.Charging function: A port: QC3.0 (MAX), C port: PD25W (MAX), A+C port: QC3.0+PD25W (MAX)