♕【Crystal Stereo】Bluetooth version 5.0, faster and more stable, stronger anti-interference，Upgraded version of Bluetooth transmitter adopts A2DP sound processing technology and a high-performance CVC noise reduction microphone, which can provide you with better stereo music and clear call process | ♕【QC3.0 Fast Charging】 A bluetooth FM transmitter for car with 2 USB ports can charge two devices at the same time. The charging speed of QC3.0 is 4 times faster than a standard charger. The other USB port supports 5V/2.4 A output, Greatly shorten your charging time | ♕【Three Music Playback Modes】 The bluetooth fm transmitter can play music through Bluetooth, TF card (≤32GB, MP3, WMA, WAV format), and AUX cable。7 colors of LED backlight can be used to illuminate the transmitter and match different music，Enjoy the fun of music at any time | ♕【Hands-Free Call Navigation】Press and hold the multi-function button for 2 seconds to Wake up Siri / Google voice assistant.Answer/hang up / reject phone / search for the nearest restaurants,hotels route etc.Let your hands focus on smart driving .Safety first. | ♕【Widely Compatible】 The bluetooth adapter for car is compatible with most Bluetooth-enabled devices, such asIOS, tablet, and other Android smartphones. It will also be suitable for all cars/truck (12-24V), This product has a 24-month warranty, if you have any questions, please feel free to contact us