Car Bluetooth FM Transmitter with LED Display and Dual USB Fast Charging Stay connected and powered on the road with this multifunctional car Bluetooth FM transmitter, designed for performance, safety, and universal compatibility. Key Features and Benefits Clear LED Display: Easily monitor your car battery voltage in real time to help prevent unexpected battery issues. Hands Calling: Make and receive calls without holding your phone for safer driving. Quality Audio Transmission: Supports FM transmission and Bluetooth 5.0 for stable, lossless sound when streaming music or navigation instructions. USB MP3 Playback: Play music directly from a USB drive for convenient, cable entertainment. Dual USB Charging: Two charging ports allow you to power multiple devices at once, for smartphones, tablets, or GPS units. Intelligent Charging Protection: Builtin smart shunt management chip delivers fast charging while preventing damage to your devices. Advanced Safety: performance master control chip with 5layer circuit protection ensures stable and secure use. Wide Compatibility: Metal elastic contact design fits cigarette lighter sockets of various sizes and supports both 12V and 24V inputs, making it compatible with most cars, trucks, and other vehicles. Durable Build: Metal contacts provide secure connectivity in a range of socket sizes for reliable performance. Practical Use Scenarios 1. Long Commutes: Listen to your favorite playlists or stream turnbyturn navigation while keeping your phone charged. 2. Road Trips: Charge two devices simultaneously so both driver and passenger can stay powered for maps, calls, and entertainment. 3. Professional Drivers: Ideal for taxis, delivery vans, and trucks where frequent calling, navigation, and charging are essential. This allinone FM transmitter and charger combines convenience, safety, and sound quality, making it a dependable companion for any journey.