The Bluetooth 5.0 Car Kit Wireless MP3 Decoder – BT33 is the perfect solution for transforming any car audio system into a modern, wireless entertainment hub. Whether your vehicle has an older stereo or you’re building a custom audio setup, this module gives you the power to stream, play, and control music effortlessly.
Why Customers Love the BT33
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Bluetooth 5.0 Connectivity: Enjoy stable, low-latency wireless streaming from your smartphone, tablet, or any Bluetooth-enabled device.
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Multiple Playback Options: Supports USB flash drives and TF memory cards up to 32GB, giving you unlimited offline music.
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Built-in FM Radio: Tune into FM stations directly from the device—perfect for news, sports, and music on the go.
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AUX Input: Connect external audio sources like MP3 players or other modules using the aux port.
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Convenient Remote Control: Adjust volume, skip tracks, switch modes, or search radio stations without touching the board itself.
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Clear LED Display: Shows track information, radio frequency, or playback mode so you can stay focused on the road.
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Wide Voltage Support: Operates on DC 5–12V, making it ideal for cars, motorcycles, DIY speakers, and portable audio setups.
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Smart Control Buttons:
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Vol −: Short press for previous track, long press for volume down.
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Play / Pause: Tap to play/pause, hold to auto-scan FM stations.
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Vol +: Short press for next track, long press for volume up.
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Perfect For
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Upgrading old car stereos without replacing the head unit
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Road trips and everyday driving
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Shared or family vehicles
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Rideshare, taxi, or company cars
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Custom DIY sound systems
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Mobile entertainment setups
Technical Overview
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Model: BT33 / SAIMP3PLAYER48
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Power Supply: 5V–12V DC
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Memory Support: USB and TF card, each up to 32GB
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Display: Red LED screen
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Functions: Bluetooth audio, MP3 playback, FM radio, AUX input
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Dimensions: Approximately 83 × 28 × 30 mm
Tips for the Best Experience
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Mount the module in a secure spot to avoid loose wiring.
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Use reliable USB drives or memory cards for smooth playback.
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When using FM transmission, choose a clear frequency for minimal interference.
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Keep the remote handy for quick control while driving.
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For Bluetooth, keep your phone within a short range to maintain signal strength.





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