✨ 【 Quick Charge & 2 USB Ports 】Dual USB ports, simultaneous dual charge by this FM transmitter, input 12-24v; 3.1A quick and safe charging,up to 4X faster than standard chargers,improved charging efficiency by 80%,let you full charge in a short time.You can charge 2 mobile devices at the same time.And the other USB port is for normal charging or reading U disk. | ✨ 【 Answer Calls Hands Free 】Built-in high-performance microphone with Noise Suppression (CVC) technology for clearer Hands-Free Calls, Perfect for switching songs, taking calls, seamless connection. The Bluetooth transmitter also supports voice navigation of your phone. It will make your driving safer, more focused, without distraction and check the screen regularly. | ✨ 【 Crystal Music Streaming 】Supports high definition audio and Bluetooth 5.0 transmission is not distorted,the Bluetooth car adapter with Dual-core MCP+DSP lossless transmission technology to make the best sound quality for you,Playing music via U disk, TF Card(≤32G) or Bluetooth, enjoy the crystal clear and stereo sound music playing by your vehicle's speakers with radio fm transmitter bluetooth for car. Note: support MP3/WMA/FLAC/WAV/APE format music. | ✨ 【 Safety Protection & Automatic Connection 】FM transmitter Built-in overcurrent protection, overvoltage protection, intelligent temperature control, short circuit protection. FM transmitter can effectively prevent many kinds of unsafe problems. It can effectively reduce the loss of electronic devices inside the charging device.It will automatically connect to the phone everytime. The This car adapter will be firmly inserted in the car cigarette lighter, will not fall due to turbulence. | ✨ 【 Bluetooth 5.0 & Wide Compatibility 】AZWang Bluetooth Car adapter Adopted Bluetooth V5.0 technology,Compatible with V1.2-V5.0,the Bluetooth transmitter for car can also be paired as a hands-free kit with all Bluetooth enabled devices,such as iPhone, iPad, iPod, Tablet,Samsung, HTC, Blackberry, Sony etc. It is easy to set up and use.