F4 Bluetooth FM Transmitter & Dual USB Car Charger | Hands-Free Calls & LED Backlight

Upgrade your car with the F4 Bluetooth FM Transmitter — combining hands-free calling, wireless music streaming, and fast dual-USB charging in one compact device. Designed for everyday driving convenience with a modern LED backlight display.

⭐ Key Features

📞 Hands-Free Calling
Built-in microphone with echo and noise reduction ensures clear phone calls while driving.

🔊 FM Stereo Music Streaming
Transmit audio wirelessly from your phone to your car stereo using FM frequencies.

🎵 Multiple Music Sources
Supports Bluetooth streaming, USB flash drives, and TF (MicroSD) cards.

⚡ Dual USB Fast Charging
Includes high-output USB ports (up to 3.1A total) for charging smartphones and devices on the go.

💡 Colourful LED Backlight
Stylish multi-colour backlight display improves visibility at night and adds a modern look to your car interior.

🔌 Wide Voltage Compatibility
Works with both 12V and 24V vehicles, making it suitable for cars, vans, and trucks.

🔄 Memory Power-Off Function
Automatically remembers your last settings when the vehicle is restarted.

📋 Specifications

Product Type: Bluetooth FM Transmitter & USB Car Charger
Model: F4

Audio & Connectivity

• Bluetooth: Yes

• FM Frequency Range: 87.5 – 108.0 MHz

• Audio Formats Supported: MP3, WMA

• Hands-Free Calling: Yes (noise & echo reduction)

Charging

• USB Ports: Dual USB

• Max Output: Up to 3.1A total

• Power Supply: Car cigarette lighter

• Input Voltage: DC 12V – 24V

Display & Design

• Backlight: Multi-colour LED

• Voltage Detection Display: Yes

📦 What’s Included

✔ F4 Bluetooth FM Transmitter
✔ Built-in Dual USB Charger
✔ User Manual