A9 Auto MP3 Player FM Transmitter

The A9 Auto MP3 Player FM Transmitter turns any car audio system into a modern hands-free entertainment hub, allowing you to stream music, take calls, and charge devices without replacing your existing radio setup. This multi-function car FM transmitter is designed for vehicles without built-in Bluetooth, giving you an easy upgrade through your car’s FM frequency. It connects via USB, TF card, or FM modulation, letting you play music directly from storage devices while maintaining clear audio transmission. The built-in microphone supports hands-free calling for safer driving, while dual USB ports allow fast charging of smartphones and other devices on the go. With wide 12–24V compatibility, it works across most cars, SUVs, vans, and trucks, making it a practical all-in-one in-car accessory. Key Features FM transmitter functionality → Streams audio through your car radio for wireless music playback without system upgrades Built-in Bluetooth hands-free calling → Allows safe, hands-free communication while driving USB + TF card support → Plays MP3 files directly from storage devices for flexible media options Dual USB fast charging (3.1A output) → Charges smartphones efficiently while using the device Wide 12–24V compatibility → Works across most cars, SUVs, vans, and trucks LED display with controls → Makes it easy to adjust frequency, volume, and playback settings Specifications Detail Specification Model A9 Auto MP3 Player FM Transmitter Input Voltage 12–24V Output Current 3.1A Frequency Range 87.5–108.0 MHz Connectivity USB, TF Card (up to 64GB), FM Material ABS Plastic Display LED Screen Functions FM transmitter, MP3 playback, hands-free calling, charging Compatibility Most 12–24V vehicles What's in the Box 1x A9 Auto MP3 Player FM Transmitter