【Dual Fast Charging Technology】Features Type-C PD 30W and QC 3.0 18W charging ports , delivering 80% faster charging efficiency than standard chargers with comprehensive safety protection including overcurrent, overvoltage, and short circuit protection. 【Hi-Fi Deep Bass Audio】Press the "EQ" button to activate powerful deep bass and immersive stereo sound with high-fidelity audio quality that enhances your music listening experience and brings dynamic, crystal-clear sound to your vehicle. 【Stable Bluetooth-compatible Connectivity】Bluetooth-compatible 5.4 technology ensures stable connection with CVC noise reduction and echo cancellation for superior hands-free calling experience, supporting both Bluetooth-compatible streaming and U-disk playback (≤64GB). 【Hands-Free Calling Safety】Built-in microphone with one-touch answer/reject/hang up/redial functions ensures safe driving while maintaining clear communication, with automatic reconnection after initial pairing. 【Real-Time Voltage Monitoring】LED digital display shows current vehicle voltage (5V-20V range) and FM frequency simultaneously, providing real-time monitoring of your car's electrical system status. 【Universal Compatibility】Compatible with all 12V-24V vehicles including cars, vans, and trucks, supporting iOS and Android devices, tablets, and Bluetooth-compatible devices with FAT32 format U-disk support. Specifications: Input Voltage: DC 12-24V QC3.0 Output: 5V/3A, 9V/2A, 12V/1.5A (18W Max.) PD Output: 5V/3A, 9V/3A, 12V/2.5A (30W Max.); PPS Output: 3.3-11V, 3A Total Output: 30W (Max.) FM Transmission Frequency: 87.5-108.0 MHz FM Transmission Distance: <5 meters Bluetooth-compatible Version: 5.4 Bluetooth-compatible Range: Approximately 10 meters Microphone Range: 0.5-2 meters USB Audio Formats: MP3/WMA U-disk Support: ≤64GB, FAT32 format Display: Blue LED digital display Dimensions: 86mm x 33mm Vehicle Compatibility: Universal fits for 12V-24V vehicles Package included 1 x Car Charger Specifications Brand N/A Color As Shown Gross Weight 0.067kg Volume Weight 0.078kg Package Length 10.000cm Package Width 7.000cm Package Height 5.000cm