T81 New Car Mp3 Player FM Transmitter Bluetooth Receiver Pdqc3.0 Fast Charging Colorful Ambient Light

1.Start-up battery voltage detection 2. Supports Bluetooth hands-free calling, built-in microphone for convenient and secure phone answering; call display 3. Noise reduction during calls with CVC, wind noise suppression, and full-duplex call technology; 4. Supports the mobile phone's A2DP function, allowing for direct playback of high-quality mobile music after connecting via Bluetooth; 5. Automatically reconnects after power is turned on and automatically enters pairing mode; 6. Supports TF card expansion for playing MP3/WMA format music; 7. Comes with a built-in car charger, outputting 5V2100mA, capable of charging handheld terminal devices. 8.AVX port input/output. Song title display Operating Instructions 1. Power on (1) Plug this device into the car's cigarette lighter socket; it will automatically turn on when powered (2) By making adjustments, select a transmission frequency point on this device; (3) Turn on the car stereo and set it to FM radio mode, then adjust the receiving frequency of the car radio to match the transmitting frequency of the device. 2. Adjust the frequency and volume This device supports full-frequency transmission, frequency range: 87.5MHz-108.0MHz.You can enter the frequency adjustment mode by briefly pressing the frequency point option key, use the up and down arrow keys to adjust to the desired transmission frequency, and then press the frequency point option key to confirm the frequency point. (2) Adjust the transmission volume: In music playback mode or call mode, press and hold the up and down directional keys to adjust the volume level. (3)Song selection: You can select the song you want to play by briefly pressing the direction key and the corresponding button 3. Play music from the TF card Insert the TF card into the TF card expansion slot of this device, and the device will automatically recognize and play the MP3/WMA music files on the TF card. (2) Play/Pause: While music is playing, short press of the button switches between play and pause. (3) Song selection: In playback mode, select songs by short pressing the button. 4. Connect to Bluetooth devices This device has a built-in Bluetooth chip and can connect with handheld Bluetooth devices. (2) After the equipment is powered on, it will Automatically enters Bluetooth pairing mode, at which point the Bluetooth indicator light flashes at a frequency of 1 time per second. At this time, use the handheld terminal device's Bluetooth to search for the Bluetooth device named T81 and connect (3) This device has a memory function. After pairing and connecting, it will automatically connect when turned on again, without the need for manual reconnection (4) If you need to disconnect the currently connected Bluetooth device, you can press and hold to disconnect the currently connected Bluetooth device, or you can disconnect the Bluetooth on the Bluetooth device side. 5. Play music from your phone (1) After the Bluetooth connection is established, you can play music from your phone and transmit it wirelessly to the car's audio system. (2) You can control the music through your mobile phone, and you can also use this device to control the volume, play/pause songs, and select the previous/next song. 6. Switch music source This device can play music from a TF card and can also play music from a Bluetooth device. If both are present, you can switch between them by pressing and holding the button. 7. Make a call (1) After the Bluetooth connection is established, you can use this device in conjunction with your phone to make and receive calls. (2) Double-click to redial the last dialed number. (3) Switch between call devices: While in a call, press and hold to quickly switch between the Bluetooth hands-free device and the phone receiver. qc3.0 port output current 5V/3A 9V/2.1A 12V/1.5A PD output voltage/current 5V3A 9V/2.1A 12V/1.5A PD fast charging port no-load voltage 5V/9V/12V qc3.0 overcurrent protection 3-3.3A TYPE-C overcurrent protection 3-3.3A Power IC temperature protection The power IC stops working at 130V TYPE-C qc3.0 simultaneously online Output 5V, can only be used for regular charging