Bluetooth 5.4 FM Transmitter Car Adapter 42W

【Humanized Rainbow Light Switch】Features a rainbow light design for the FM transmitter car adapter. The light can be turned off by long pressing the "b" button. 【Upgraded Bluetooth 5.4 Chip】Utilizes Bluetooth 5.4 technology to optimize transmission delay and connection stability. Features automatic reconnection. 【Efficient 42W Fast Charging & Dual Ports】Equipped with two USB Type-C ports delivering up to 42W, capable of charging two devices simultaneously. Includes over-current, over-voltage, intelligent temperature control, and short-circuit protection. 【Enhanced Dual Mics & Superior Music Streaming】Features dual microphones with Noise Suppression (CVC) technology and echo cancellation for hands-free calling and music streaming. Supports Bluetooth and USB drive connections (Compatible with SBC, AAC, MP3, WAV, and FLAC audio formats). 【Hi-Fi Deep Bass & Ambient Backlit】Pressing the "B" button activates deep bass and FM radio stereo sound. Designed for high-fidelity sound quality. 【Warranty】Includes a 36-month manufacturer's warranty.