【Two Install Ways & 1.1M Cable】 ✿ The package comes with an air vent clip and a sticky seat. You can mount it on the car air vent or stick it on the dashboard. The 1.1-meter cable provided means this device can be used anywhere in the car. 【Hands-free Calling】 ✿ Upgraded car FM transmitter with build-in microphone. It will automatically switch from music playing to hands-free talking when answering a phone call, single press the top button to answer / hang up a call, long press to decline, double click to redial the last called number, long press to activate Siri. Convenient one-button control makes driving safer. 【LED Digit Display & Colorful Surround Light】 ✿ The vehicle voltage is displayed when the FM transmitter is inserted into the car cigarette lighter and powered on. 7 multi-coloured options create a comfortable and romantic atmosphere in your car to fit your mood. In addition, the last paired phone can be automatically connected. 【2 Smart USB Ports - 5V/2.4A + QC 3.0】 ✿ The Bluetooth transmitter is connected to the cigarette lighter. It has 2 USB ports: 5V/2.4A + QC3.0. With the USB port QC3.0, which charges 4x faster. You can simultaneously charge 2 compatible devices. Such as iPhone 6/7 / 7Plus / 8 / iPhone X / Samsung S9 plus / S8 / S7 / S6 / EDGE, THC, LG and other phones, tablets, USB devices, etc. 【Bluetooth 5.0 & Three Music Playback Modes】 ✿ SONRU Bluetooth FM transmitter adopts newest Bluetooth 5.0 chipset. It supports Bluetooth play, TF card play (up to 32GB), 3.5mm AUX input, meet your various needs. Note: Adjust to 107-108MHz to decrease the radio interference.