Support Siri Google Assistant: Click M button for twice to activate Siri or the Google Assistant. Let Siri or Google Assistant make call, send message or use GPS. Voice control makes your driving safer.. 2 Phones Simultaneously 2 Play Music Sources: Support to connect with two mobile phones at the same time. Support Bluetooth Music and TF card music, just press the "Mode" button to switch music sources. Car Handsfree Bluetooth 4.2 with high quality SoundBluetooth 4.2 has faster transmission rate, stronger battery life, longer effective working distance, faster audio transmission, and can transmit higher-quality audio more easily, and has a wider application range. Portable and Convenient: Portable feature allow you to carry it at any time. Simple to set up with magnetic and lanyard Design, just stick it on the visor or on any metallic surface of the car, it can be fixed firmly.Or you can hang it with the lanyard. Not only for your car, but also for your refrigerator and others