[3Play mode and high fidelity music] It provides 3 options for cars without Bluetooth or jack. It allows you to connect your mobile phone to the car through Bluetooth, or use the U key ( 32G) or TF card ( 32G) to answer calls or listen to playlists. Use the latest high-quality audio technology to create more realistic stereo and crystal sound, and make your journey always enjoyable.[QC3.0 fast charging and 2 USB ports] With this FM adapter, you never have to worry about lens charging. One of the USB ports is QC3.0 fast charging, which allows your device to charge 4 times faster than ordinary devices. The other is designed to load other devices or play USB flash drives to play music. You can now charge your phone and PC while traveling [Excellent stable Bluetooth V5] Equipped with the latest version of Bluetooth V5.0, it is compatible with all ordinary mobile phones. This Bluetooth FM transmitter is more stable and fast when connected to smart phones. No more disconnection, interference and incompatibility. And automatically reconnect the last connected device within 1 second [6 LED ambient light] How to make your car different Our Bluetooth FM transmitter will meet your expectations. The LED ambient light changes color, LED lighting and six color shifts by pressing the button on the side. This FM transmitter will change the atmosphere of your car at night [Handsfree and GPS navigation] Support handsfree call and voice navigation. This Bluetooth transmitter will make your driving safer and more concentrated, without distracting you from frequently viewing the screen. HVAC noise cancellation technology can also effectively reduce noise, enabling you to clearly communicate with family, friends and colleagues.