【2 Ports & QC3.0 Quick Charge】Clydek fm transmitter Bluetooth support QC3.0 fast charge, 4X faster than standard chargers, capable of charging compatible devices to 80% in 35 minutes. Another USB charging port supports 5V / 2.4 A output and can intelligently identify Android or other devices. | 【Clear Hands-free Calls】Built-in advanced Bluetooth V5.0 chip, our fm car radio transmitter provides faster pairing and more stable connection than others. High-performance microphone with noise cancellation CVC technology, dampens the road noise and gives you crystal clear call. Answer/hang up/ reject/redial a call with just one click, making your driving safer and easier. | 【Immerse In HI-FI Music】The wireless car fm transmitter supports 3 modes to play music via Bluetooth, TF card and U disk. With A2DP technology, create full duplex music quality, bring you an amazing auditory experience with its clear and stereo sound. | 【Voice Navigation& Wide Compatibility】Open the map App, set the destination on your phone, you will hear the voice navigation from car radio adapter when connect Bluetooth. Keep your eyes on the road and enjoy a relaxing journey. This Car Bluetooth FM transmitter can pair with all Bluetooth enabled devices, such as iPhone, iPad, Tablet, Samsung, LG, Sony and other Android Smartphones. | 【Multi-Safety Protection】Safety is our first concern. The Clydek bluetooth transmitter for car has built-in over-current protection, over-voltage protection, intelligent temperature control and short circuit protection to ensure you have a safer driving. There is also a car battery voltage display so that you can easily check the condition of your car battery.