T66 Car Bluetooth Charger Cigarette Lighter MP3 Player Hands-Free Car FM Transmitter Details: 1. Material: ABS 2. Applicable models: 12-24V cars, SUVs, trucks, large trucks, off-road vehicles and buses 3. Support expansion: U disk, TF card (within 32G) 4. Voltage: DC 5V 5. Current: 3.1A 6. Screen: LED screen 7. Effective distance: less than 10m 8. Dimensions: 85x47x46mm 9. Weight: about 30g Features: 1. CVC intelligent noise reduction 2. Dual USB ports, 3.1A smart fast charging 3. Bluetooth 5.0, fast and stable transmission, support Bluetooth hands-free call, car MP3 player compatible with Android and iOS systems 4. U disk and TF card plug and play 5. Strong compatibility 6. Automatic volume adjustment, the car MP3 player can automatically reduce the music volume when navigating, and return to the music volume when there is no navigation 7. Power-off memory playback function 8. Smart chip with protection functions including overvoltage protection, undervoltage protection, overload protection, reverse insertion protection, overheat protection, short circuit protection, overcurrent protection and electromagnetic protection