【Big Screen 】Our car bluetooth adapter adopts a big screen for more information and better visual experience, so you can look at the display screen directly instead of lowering your head to the cigarette lighter. Now you can read more information such as incoming phone numbers, car battery voltage, FM frequency, track name, etc. In addition, the air vent installation offer you better view angle for your safety. | 【Voice Assistant】TB27 bluetooth fm transmitter supports smart voice services, providing you the voice control for a safer drive. You can easily answer / hang up / reject / redial a phone call with the spin button. Try to say “Call Mom”, “Get directions home”, “Play some music”, get things done more conveniently and enjoy safe driving. | 【Better Hands-Free Calling】 This TB27 Bluetooth car adapter is easy to attach to car air vent or dashboard, keep it near your face for better hands free calls.The 1.06-meter cable provided means this device can be used anywhere in the car. | 【7 Colorful LED Backlit Modes】Long press the light button on the fm transmitter bluetooth for car to enter the light change mode, and then spin the knob to adjust to the light mode you want. There are 7 mono color modes, choose any mode you like to decorate your space, let it color your car! | 【Charge Faster and Faster】 Bluetooth FM Transmitter for Car has dual charging ports (including QC3.0 and 2.4A), supporting 2 devices simultaneously. Besides that, you are able to greatly save your time by charging through the QC3.0 port, which can charge four times quicker than before.