Product Parameters: Bluetooth: V5.0+EDR Transmission distance: 10m Microphone effective range: 0.5-2m FM transmission frequency: 87.5-108Mhz Rated voltage: DC12V-24V Operating voltage: 9-26V USB1 output: QC3.0 USB 2 output: Read USB flash music Support playback format: MP3 Playback Audio Format: WAV MP3 APE FLAC Operating temperature: 0-50C Size: 44x37.1x88.6mm Specifications: PD 20W and QC 18W Fast ChargingDual USB and one Type-C port fast charging, allow you to charge 3 devices at the same time and provide better charging performance. Equipped with a USB-C power output port and 20W output power, you can charge the latest iPhones, iPads, phones, tablets at full speed. Noise Reduction - Bluetooth 5.0 with Wide CompatibilityBluetooth V5.0 chip creates an ultra-secure connection between your phone and the Bluetooth adapter car FM transmitter. Faster pairing and more stable sound than Bluetooth V4.2 make it avoid some shaky connections. Widely compatible with any Bluetooth enabled device and 12-24V car. Lossless Hi-Fi Sound - Deep Bass BoosterWith anti-jamming performance and CVC technology, you can enjoy fantastic deep bass music by pressing the B button. Plus, the lights dance to such strong and powerful music. Gradient lights will really give you the party vibe. Better Hands-Free Calling and Voice NavigationBluetooth provides a stable connection, while CVC noise reduction and echo cancellation technology provide an incredible hands-free calling experience. Package Included: 1Car Bluetooth Transmitter