FM transmitter 4smarts 456201 Cigar lighter Black Silver AM FM Bluetooth

The 4smarts 456201 FM transmitter converts a vehicle cigarette lighter socket into a multimedia interface, enabling Bluetooth audio streaming and hands-free calls through the car's AM/FM radio. The compact device supports connection via Bluetooth, accepts MicroSD cards up to 32 GB, and provides a USB Type-A port for wired charging or playback. It is designed to be plugged into the cigar lighter and tuned to an unused AM or FM frequency for playback through the car radio.

Advantages

This FM transmitter combines Bluetooth connectivity, AM and FM transmission, and a USB Type-A port in a compact housing. It supports MicroSD cards (up to 32 GB) for local audio playback, enables hands-free calling through the car stereo, and installs easily into the cigarette lighter without permanent modifications to the vehicle. The small dimensions make it suitable for most car interiors while keeping controls accessible.

Suitable for

• Playing smartphone audio over a car's AM/FM radio
• Hands-free phone calls via the car stereo
• Playback from MicroSD cards (up to 32 GB)
• Charging or wired playback via USB Type-A

Key specifications

• Brand: 4smarts
• Model: 456201
• Device interface: Cigar lighter
• Radio bands: AM, FM
• Wireless: Bluetooth (audio streaming, hands-free)
• Memory card: MicroSD (TransFlash), up to 32 GB
• Connector: USB Type-A
• Product colours: Black, Silver
• Dimensions: 85 x 35 x 35 mm
• Weight: 0.04 kg

How to use

Insert the FM transmitter into the vehicle's cigarette lighter socket. Pair your smartphone with the transmitter via Bluetooth. On the car radio, tune to an unused AM or FM frequency that is free from local stations. Select audio playback from your smartphone or from a MicroSD card inserted into the transmitter; audio will transmit to the chosen radio frequency. Use the car stereo volume and transmitter controls to adjust playback level. For hands-free calls, answer and end calls through your phone or the transmitter's controls, with audio routed via the car speakers.

Recommendations

For optimal performance, set the transmitter to a frequency that is not occupied by local radio stations. Choose a clear AM or FM frequency in your area before starting playback to reduce interference and improve audio quality.