Product Specification: Type Wireless Bluetooth Car FM Transmitter Bluetooth Version Bluetooth 5.0 USB Interface high speed USB2.0 (USB 1 2.1A fast charging,USB 2 Screen LED screen Support U Disk Capacity 32GB (U disk not included) Power Supply DC12V-24V Supported File Types MP3/WMA/FLAC/WAV/APE Operating Current 45mA DC12V Bit Rate 64-320 kbps FM Frequency Range 87.5-107MHz (100KHz stepping) Signal to Noise Ratio 85dB (FM Harmonic Distortion <0.05% (FM <0.1%) Working Temperature 0C-60C Launch Distance <5 meters Product Features: This product is a car-specific Bluetooth hands-free car charger MP3 player. Using high-performance professional-grade Bluetooth 5.0 chip. You can use your Bluetooth connection to transmit MP3 music from Support hands-free calling. Don't need to modify your car, and you can enjoy the music while you're on the road. Bluetooth 5.0+EDR version, support operation of voice prompts, support call number. Intelligent recognition of all types of Android and Apple mobile phones and other devices, USB charging support 2.0 fast charge. USB 1: 2.1A fast charging, USB 2: 1A charging/support USB disk playing. Support FM full-frequency point emission. The music format is MP3/WMA/WAV/APE/FLAC, support automatic power off memory function. Bluetooth stereo A2DP music playback. Package Includes: 1 x Wireless Bluetooth Car FM Transmitter 1 x User Manual