FM transmitter BLOW 74-165# Bluetooth 5.0, USB car charger 3.4 A

BLOW 74-165# is an in-car FM transmitter with Bluetooth 5.0 that enables wireless audio streaming and hands-free phone calls through a vehicle's FM radio. The device combines a Bluetooth module for stable connection and an integrated USB charging port with a combined output of 3.4 A to supply power to smartphones and other mobile devices. Designed for vehicles without built-in modern infotainment, the transmitter allows playback from phone apps, navigation voice routing, and voice calls through the car stereo.

Advantages

The transmitter uses Bluetooth 5.0 for improved connection stability and lower latency compared with older Bluetooth versions, supporting clearer audio and reliable hands-free operation. An integrated USB charging port with 3.4 A output provides simultaneous charging while streaming. FM transmission enables compatibility with virtually any car radio that has an FM tuner, removing the need to replace factory head units. Compact form factor keeps the device unobtrusive in the vehicle cabin.

Suitable for

• Cars without built-in Bluetooth or modern infotainment systems
• Drivers who want hands-free calling using the car’s speakers
• Users who need to charge a smartphone while streaming audio
• Vehicles where an auxiliary audio input is not available

Key specifications

• Wireless standard: Bluetooth 5.0 for audio streaming and calls
• Audio output method: FM radio transmission to vehicle receiver
• USB charging output: combined 3.4 A suitable for charging phones and small devices
• Form factor: compact, vehicle power-socket mounted design
• Primary functions: music streaming, hands-free calls, device charging

How to use

Plug the FM transmitter into the vehicle’s 12 V power outlet, switch on your car radio and set it to an unused FM frequency. Pair your phone with the transmitter via Bluetooth 5.0 following the device’s pairing procedure, then select the same FM frequency on the car radio. Play audio or make calls from your phone; sound will be relayed through the vehicle speakers. Connect a charging cable to the USB port to charge a phone or device while driving. Adjust phone volume and radio tuning to obtain the best audio quality and minimal interference.

Usage recommendations

Choose a clear, unused FM frequency to minimize interference and check local regulations regarding FM transmitter use. For best results, keep the transmitter’s firmware and phone Bluetooth settings up to date and use a high-quality charging cable to ensure stable charging at the device’s 3.4 A output.