MAKETOP Bluetooth 5.0 Car FM Transmitter with Dual USB Fast Charging 3.1A, Wireless Audio Receiver, Hands-Free Calling, LED Voltage Display, Dual Cigarette Lighter Socket, 12V-24V Universal Car Charger

This Bluetooth 5.0 car FM transmitter with dual USB fast charging 3.1A is designed for convenient in-car charging, wireless audio streaming, and hands-free calling. It features advanced Bluetooth technology for stable signal transmission, clear phone calls, and smooth music playback through the car FM radio system. The dual USB ports support simultaneous fast charging for smartphones, tablets, GPS units, and other USB-powered devices. The dual cigarette lighter socket expands power options for multiple car accessories. An LED digital display shows real-time voltage for vehicle battery monitoring. Compatible with 12V–24V vehicles, this universal car charger and Bluetooth receiver is suitable for cars, SUVs, trucks, and commercial vehicles, providing charging, communication, and audio functions in one compact device

• Bluetooth 5.0 Connectivity – Stable wireless connection with low interference for clear calls and smooth audio streaming from smartphone to car FM system

• Dual USB Fast Charging 3.1A – Two USB output ports deliver efficient and safe charging for mobile phones, tablets, GPS devices, and other USB electronics

• FM Transmitter & Audio Playback – Transmits music and calls to car FM radio; supports Bluetooth audio and USB drive playback for multiple media options

• Hands-Free Calling Function – Built-in microphone and call control buttons allow safe hands-free calls while driving

• Dual Cigarette Lighter Socket – Provides two power outlets for car accessories such as dash cams, air pumps, vacuum cleaners, or chargers

• LED Digital Voltage Display – Real-time car battery voltage monitoring helps identify power status and electrical safety

• Intelligent Control Chip Protection – Built-in chip manages current, temperature, and voltage to protect devices from overcharging and overheating