Upgrade Version. Activate Siri by long press the control knob. Pairing faster lower power consumption higher sound quality. The top USB port can also Read USB Disk.</br>Charge Two Devices Simultaneously. Two USB type A charging ports allows you charge your cell phone and tablet simultaneously. Stable performancefast charging no heat emission. One port output can reach to 2.4A( MAX) more efficient.</br>Exquisite Craftsmanship. Adopted high precision SMD crystal oscillator this car FM transmitter has more stable performance and longer lifespan.</br>Noise Cancellation. This Bluetooth FM transmitter with hand-free function is designed with anti- interference processing. you can enjoy music or hand-free conversation through this gadget without generating annoyed electric current sound.</br>Humanized Design. Built-in 3.5mm audio interface allows you play music from unsupported Bluetooth devices such as Mp3 Mp4 and other old type cell phones.</br></br>Product Description</br></br><b>VicTsing Bluetooth FM Transmitter</b> <br> <b>Fast Pairing</b> <br> Very convenient to use and easy to pair with mobile device. Pair once only??auto-connection next time. <p> <b>Fast Charging</b><br> With 2.4A output(MAX)?? you can stream music while charging?? enjoy hours of entertainment on the go. </p> <p> <b>Flexible</b><br> Goose neck design is elegant and flexible?? easy to adjust. </p> <p> <b>LCD screen and LED Background Light</b><br> readable LCD screen has nice LED blue background light on the tuner adjustment?? it is great for night viewing. </p> <p> <b>Great Transmission Range</b><br> Bluetooth operating distance is up to 30 feet??FM operating distance is up to 15 feet. </p> <p> <b>Specification:</b><br> Bluetooth Core Specification: V3.0<br> Blu