【Quick Charge 3.0】: Possibly the latest, fastest and most efficient USB charging technology in the world. Up to 4X faster than standard chargers, able to charge compatible devices to 80% in just 35 minutes. Equipped with a voltmeter to show you the condition of your car battery to ensure safety function. Please use the product with frequencies 88.1-107.9MHz. | 【Crystal Clear Music Streaming】: You can stream music directly from your phone to car radio via Bluetooth/ USB Flash Drive (≤32GB) / microSD Card(≤32GB). Advanced noise reduction technology will ensure quality, crystal clear sound. Note only WMA MP3 WAV APE FLAC music formats in USB flash drive or microSD card are supported. | 【Crystal Hands-free Calls】: Bluetooth 5.0 provides a stable connection. Nulaxy noise-cancellation technology dampens the road noise & gives you clear, crisp sound for hands free calls. | 【7 Color LED Backlit Version】: Supports 7 colors led backlit light, including Red/ Green/ Blue/ Yellowish Green/ Purple/ Cyan/ Silver White, you can get visually stunning display of colors. Which is a nice way to match the colors that are already in the car. | 【Bring Voice Service to Your Car】: You can get info via voice guidance, like pairing instructions, status updates , incoming phone number. You also can stay fully focused on the road by using Siri or Google Assistant to make phone calls, send texts or get driving directions. Enjoy complete voice-control while you driving.