Description: Material: ABS Power Supply: DC5V Output Current: 3.1A Bluetooth: 5.0 Playback Mode: FM Radio Effective Distance: 10m Transmission Frequency: 87.5MHZ~108.0MHZ Support Development: U Disk/TF Card64G Display Screen: LED Display Size Details: 3.85cm x 7.5cm x 9cm/1.52" x 2.95" x 3.54" (Approx.) Specifications: 1: Bluetooth hands-free calling USB/PD port with charging function 3.1A 2: Echo cancellation and noise processing during calls; 3: Stereo Bluetooth and FM transmitting technology; 4: Support USB/TF card/Bluetooth function; 5: Support MP3/WMA format music; 6: Automatic power-off memory function; 7: Cigarette lighter power supply: DC12V-24V voltage power supply; 8: Bluetooth version 5.0 FM transmission frequency: 87.5~108Mhz 9. Voltage detection 10. Colorful atmosphere lights Package Included: 1 x Bluetooth FM Transmitter 1 x User Manual