2022 NEW Car Bluetooth 5.1 FM Transmitter Dual USB QC3.0 Fast Charger Wireless Handsfree Audio Receiver MP3 Player Car Accessories for Huawei Xiaomi iPhone Samsung Features: Stable Transmission : Reliable Bluetooth 5.1 and FM connection can stream music directly from your phone to your car"'"s audio system. And support U disk / TF card <64G plug and play FAST CHARGING : Fast charging: The device dual QC3. 0 USB ports can charge the driver and passenger at the same time at high speed. Better Hands-Free Calls : Bluetooth 5.1 provides a stable connection, and the echo cancellation function reduces background noise for clearer calls. Clear Sound : Just find an unoccupied station (Support 88.1-107.9 Mhz), the enhanced FM signal and static cancellation technology can play an excellent listening experience. Tip: An unused station/blank channel is a station with no music or vocals, just rustling. Package Included: 1x fm transmitter bluetooth car 1 x User Manual (carton Packing) QA: Q: Why is there a noise when playing music in the car? A: Please tune to an UNUSED STATION/BLANK CHANNEL before use, then pair FM transmitter with car radio channel Q: What is UNUSED STATION/BLANK CHANNEL? A: UNUSED STATION/BLANK CHANNEL refers to station with no music or vocals , just rustling Q: Why cant the phone be charged fast? A: Check whether your phone supports the charging protocol of the product, and whether the charging cable used supports fast charging