FM transmitter Baseus S-16 MP3 15W — car FM modulator with MP3 playback and 15W charging output

Baseus Bluetooth MP3 S-16 car transmitter (black) placed in the cigarette lighter socket provides two USB charging ports, MP3 playback from microSD and smartphone streaming to the car radio via FM or AUX. It supports wireless Bluetooth 5.0 connection for music and calls and features an LED display for frequency and status information.

Advantages

The Baseus S-16 combines charging and audio streaming in one compact unit: two independent USB ports with combined output up to 15 W let you charge two devices simultaneously, while the built‑in MP3 player accepts microSD cards up to 32 GB. Bluetooth 5.0 ensures stable wireless connection and allows pairing two phones for call switching. The device supports multiple audio formats (MP3, APE, FLAC, WAV, WMA) and offers both FM transmission (87.5–108 MHz) and a 3.5 mm AUX output for direct audio connection.

Suitable for

• Streaming music from a smartphone to a car radio via FM or Bluetooth
• Playing MP3 and other audio files from a microSD card (up to 32 GB)
• Charging one or two mobile devices while driving (USB output up to 15 W)
• Hands‑free calls with two paired smartphones
• Connecting to car audio directly using a 3.5 mm AUX cable

Key specifications

• Manufacturer: Baseus
• Model: S-16 (MPN CCMT000201, EAN 6932172626990)
• Color: Black; Display: LED
• Input voltage: DC 12–24 V
• Charging output: USB1 5V/2.1A; USB2 5V/1A; USB1+2 5V/3.1A; Max power 15 W
• FM frequency range: 87.5–108 MHz; transmission range up to 5 m
• Wireless: Bluetooth 5.0; Bluetooth range up to 10 m; supports two devices
• AUX output: 3.5 mm
• Supported audio formats: MP3, APE, FLAC, WAV, WMA; microSD up to 32 GB

How to use

Insert the transmitter into the car cigarette lighter socket. Set the FM frequency on the device and tune your car radio to the same frequency to receive audio via FM. To play files from a microSD card, insert the card and use the transmitter controls to select tracks. For Bluetooth streaming, enable Bluetooth on your phone, pair it with the Baseus S-16 and start playback from your music app; the transmitter can keep two phones paired and switch between calls. To use a wired connection, connect an AUX cable between the transmitter and the car radio’s AUX input.

Usage recommendations

For stable FM reception, choose an unused FM frequency on your radio that has minimal local station interference; keep Bluetooth devices within the specified range (up to 10 m) and use a microSD card formatted and populated with compatible audio files (MP3, APE, FLAC, WAV, WMA) up to 32 GB.