Baseus S-09A

Baseus FM Transmitter T-typed Bluetooth User Manual

Model: S-09A

Introduction

Thank you for choosing the Baseus FM Transmitter T-typed Bluetooth. This device allows you to stream audio from your Bluetooth-enabled devices or a microSD card to your car's FM radio, and also provides dual USB ports for charging your mobile devices. Please read this manual carefully before use to ensure proper operation and safety.

Safety Information

To ensure safe operation and prevent damage, please observe the following precautions:

  • Do not expose the device to excessive heat or humidity.
  • Do not use the device while sleeping.
  • Keep the device out of reach of children and pets.
  • Dispose of the device according to local electronic waste regulations.
  • Do not disassemble, repair, or modify the device yourself. This may cause electric shock, fire, or damage to the product.
  • Avoid strong impacts or dropping the device.
  • Ensure your vehicle's power outlet (cigarette lighter socket) is clean and free of debris before inserting the transmitter.

What's in the Box

The package should contain the following items:

  • Baseus Bluetooth Music FM Transmitter and Dual USB Port S-09A Car Charger (Black)
Baseus FM Transmitter product packaging

Image: The retail packaging for the Baseus FM Transmitter, showing the device and key features.

Product Overview

The Baseus FM Transmitter is designed for in-car entertainment and charging. It features:

  • Bluetooth Connectivity: Stream music wirelessly from your smartphone or tablet.
  • FM Transmission: Broadcast audio to your car's FM radio.
  • Dual USB Charging Ports: Charge two devices simultaneously with a total output of 3.4A.
  • MicroSD Card Slot: Play music directly from a microSD card (supports MP3/MAV/FLAC/APE/MWA).
  • Hands-free Calling: Built-in microphone for answering calls safely.
  • LED Display: Shows FM frequency and battery voltage.
Front view of Baseus FM Transmitter

Image: Front view of the Baseus FM Transmitter, showing its compact design.

Top view of Baseus FM Transmitter showing USB ports and microSD slot

Image: Top view of the Baseus FM Transmitter, highlighting the dual USB charging ports and the microSD card slot.

Diagram showing USB and TF card slots on Baseus FM Transmitter

Image: A diagram illustrating the USB flash drive/charging port and the TF (microSD) card slot on the device.

Setup

  1. Insert into Car Socket: Plug the Baseus FM Transmitter into your car's 12V cigarette lighter socket. The LED display will light up, showing the current battery voltage of your car, then switch to the FM frequency.
  2. Tune FM Frequency:
    • Find an empty FM frequency on your car radio (one with no static or existing broadcast).
    • On the FM Transmitter, press and hold the multi-function button (usually the call button) until the frequency display starts blinking.
    • Use the previous/next track buttons (or rotating knob, if present) to adjust the transmitter's frequency to match your car radio's empty frequency.
    • Once matched, the display will stop blinking, indicating the frequency is set.
  3. Pair with Bluetooth (Optional):
    • On your smartphone or Bluetooth-enabled device, enable Bluetooth.
    • Search for available devices and select "Baseus S-09A" (or similar name).
    • Once paired, you will hear a confirmation tone from the device.
  4. Insert MicroSD Card (Optional): If you wish to play music from a microSD card, insert it into the designated slot on the transmitter. The device will automatically switch to microSD playback mode.
Baseus FM Transmitter installed in a car

Image: The Baseus FM Transmitter plugged into a car's power outlet, showing its display and buttons.

Baseus FM Transmitter in car with 3.4A fast charging text

Image: The Baseus FM Transmitter in a car, highlighting its 3.4A fast charging capability and Bluetooth 4.2 connectivity.

Operating Instructions

Music Playback

  • Bluetooth Playback: Once paired, open your music app on your phone and start playing. The audio will be transmitted to your car radio via the set FM frequency.
  • MicroSD Card Playback: Insert a microSD card with MP3/MAV/FLAC/APE/MWA audio files. The device will automatically detect and play the music.
  • USB Flash Drive Playback: Insert a USB flash drive with audio files into the designated USB port (usually the one labeled for data/charging). The device will automatically detect and play the music.
  • Controls: Use the previous/next track buttons on the transmitter to skip songs. The multi-function button can be used to play/pause music.

Hands-free Calling

  • Answering Calls: When a call comes in, press the multi-function button (call button) once to answer.
  • Ending Calls: During a call, press the multi-function button once to end the call.
  • Rejecting Calls: Press and hold the multi-function button to reject an incoming call.
  • Redialing: Double-press the multi-function button to redial the last number.
Finger pressing call button on Baseus FM Transmitter

Image: A finger pressing the call button on the Baseus FM Transmitter, illustrating the one-key loudspeaker function for safer calls.

Charging Devices

  • Connect your mobile devices (smartphones, tablets, etc.) to the USB charging ports using appropriate USB cables.
  • The transmitter provides a total output of 3.4A for fast charging.
Baseus FM Transmitter charging two phones

Image: The Baseus FM Transmitter simultaneously charging two mobile devices via its dual USB ports, demonstrating its 3.4A fast charging capability.

Close-up of Baseus FM Transmitter display showing 3.4A fast charging

Image: A close-up of the Baseus FM Transmitter's display, emphasizing its 3.4A big current for fast charging.

Maintenance

  • Cleaning: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners or solvents.
  • Storage: When not in use for extended periods, store the device in a cool, dry place away from direct sunlight and extreme temperatures.
  • Avoid Moisture: Keep the device away from water and other liquids.

Troubleshooting

ProblemPossible CauseSolution
No power/display offLoose connection; Car socket issue; Blown fuse in car.Ensure the transmitter is firmly seated in the car socket. Check if the car socket is working (e.g., by plugging in another device). Consult a mechanic if car fuse is suspected.
Static or poor audio qualityFM frequency interference; Weak signal.Change the FM frequency on both the transmitter and your car radio to an unused channel. Ensure no strong local radio stations are on or near your chosen frequency.
Bluetooth not connectingBluetooth not enabled on phone; Device not in pairing mode; Already connected to another device.Ensure Bluetooth is enabled on your phone. Restart both the transmitter (by unplugging and replugging) and your phone. Forget previous Bluetooth connections on your phone and try pairing again.
MicroSD/USB playback not workingUnsupported file format; Corrupted files; Card/drive not inserted correctly.Ensure audio files are in supported formats (MP3/MAV/FLAC/APE/MWA). Reinsert the microSD card or USB drive. Try with a different card/drive to rule out media issues.
Charging is slow or not workingCable issue; Device drawing too much power; Dirty USB port.Try a different USB cable. Ensure the device you are charging is compatible with the output current. Clean the USB ports on the transmitter.

Specifications

FeatureDetail
BrandBaseus
Model NameT typed
Model NumberS-09A
ColorBlack
Connectivity TechnologyBluetooth, USB
Wireless Communication StandardBluetooth
Power SourceVehicle 12V-24V DC Power (Cigarette Lighter Socket)
Input VoltageDC 12-24V
USB OutputUSB1: 5V=2.4A, USB2: 5V=1A (Total 3.4A)
Compatible DevicesSmartphones, Tablets, Laptops, Car stereo systems, Headphones, Speakers, MP3 players, etc.
Media Type SupportMicro SD Card, USB Flash Drive
Audio FormatsMP3, MAV, FLAC, APE, MWA

Warranty and Support

For warranty information and customer support, please refer to the official Baseus website or contact your local distributor. Keep your purchase receipt as proof of purchase for any warranty claims.

Online Support: Visit the Baseus Store on Amazon for more product information and support resources.

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