The Astrum FM310 Wireless FM Transmitter is your all-in-one solution for smarter, safer, and more enjoyable driving. Designed for seamless Bluetooth connectivity, it enables hands free calling and wireless music streaming directly from your smartphone to your car’s FM stereo.

Equipped with dual fast-charging ports USB-A and USB-C (PD) you can power up multiple devices simultaneously while on the road. The FM310 supports MP3 and WMA formats via TF card (up to 32GB) or USB stick, giving you flexible playback options for long trips and daily commutes.

Its LED display makes tuning into your favorite FM station effortless, while the Auto Switch feature transitions smoothly between calls and music. With built-in buttons for track selection, volume control, and mode switching, you’re always in command of your sound experience.

Key Features
📱 Bluetooth Connectivity – Stream music and take calls hands-free
📻 FM Transmission – Wirelessly broadcasts to your car stereo
🔌 Dual Fast-Charging Ports – USB-A & USB-C (5V 2.4A each, 4.8A total)
💾 TF Card & USB Playback – Supports MP3/WMA formats, up to 32GB
🔁 Auto Switch Function – Seamless transition between calls and music
🌟 LED Display – Clear tuning and playback visibility
🎚️ Built-In Controls – Track selection, play/pause, and mode switching
🕒 12-Month Manufacturer Warranty – Reliable long-term performance

Technical Specifications
Feature Details
SKU A70531-B
Product Code FM310
Rated Input DC 12V / 24V
USB-A Output 5V 2.4A
USB-C Output 5V 2.4A
Total Output 5V 4.8A
Music Format Support MP3 / WMA
TF Card Capacity Up to 32GB
FM Transmission Range 87.5 – 108 MHz
Dimensions (L × W × H) 52 × 38.5 × 87 mm
Net Weight Approx. 30g
Warranty 12 Months Limited Manufacturer Warranty

What’s Included
1 × Astrum FM310 Wireless FM Transmitter
1 × User Manual

Ideal Use Cases
🚗 Hands-free calling and music streaming while driving
🔋 Fast charging for smartphones and tablets on the go
🎶 Road trip audio from TF card or USB stick
📻 FM radio access with easy tuning and LED feedback

The Astrum FM430 Car FM Transmitter is a premium in car audio and charging solution designed for modern drivers who demand performance, style, and convenience. Housed in a sleek zinc alloy frame, this compact device features Bluetooth 5.3 for stable wireless streaming and PD30W USB-C fast charging with QC3.0 support, keeping your devices powered while you drive.

Enjoy hands free calling with the built in microphone, stream music via FM transmission, or play tracks directly from a USB flash drive. The LED voltage display provides real-time battery monitoring, while the LED spectrum glow adds a stylish ambiance to your dashboard.

With auto memory recall, the FM430 remembers your last frequency and track, ensuring a seamless experience every time. Compatible with Siri and Google Assistant, it’s the perfect upgrade for daily commutes or long road trips.

Key Features
📱 Bluetooth 5.3 – Stable wireless music and call streaming
🔊 FM Transmission – Syncs audio to your car stereo
🔌 PD30W USB-C Fast Charging – Rapid power delivery with QC3.0 support
💾 U-Disk Playback – Supports MP3, WAV, WMA, FLAC formats
🎙️ Built-In Microphone – Clear hands-free calls and voice assistant control
🌈 LED Spectrum Glow – Ambient lighting for dashboard aesthetics
📟 LED Voltage Display – Real-time car battery monitoring
🔁 Auto Memory – Recalls last FM frequency and track played
🧠 Voice Assistant Support – Compatible with Siri / Google Assistant
🕒 12-Month Manufacturer Warranty – Reliable long-term performance

Technical Specifications
Feature Details
SKU A70543-B
Product Code FM430
Bluetooth Version 5.3
Bluetooth Range Up to 10 meters
FM Frequency Range 87.5 – 108.0 MHz
USB-C Output PD30W / QC3.0 Fast Charging
USB-A Output U-Disk Music Playback
Supported Formats MP3, WAV, WMA, FLAC
Battery Monitor LED Display
Power Supply 12V – 24V (Limit: 9V – 30V)
Material Premium Zinc Alloy
LED Lighting Ambient Spectrum Glow
Dimensions (L × W × H) 75 × 45 × 40 mm
Net Weight Approx. 50g
Warranty 12 Months Limited Manufacturer Warranty

What’s Included
1 × Astrum FM430 Bluetooth FM Transmitter
1 × User Manual

Ideal Use Cases
🚗 Hands-free calling and music streaming while driving
🔋 Fast charging for smartphones, tablets, and GPS devices
🎶 Road trip audio from USB flash drive or FM transmission
🌟 Stylish car interior upgrade with LED ambiance and battery monitoring