1.【 Auto Power On 】: Easy to set up, just clip this automobile bluetooth onto the visor. With Built-in motion sensor,it can be Auto Power On through sensing vehicle shocking when you get in car. — You Won't Regret for Getting this Mini Car Speaker Amplifier.^ 2.【 High-Quality Audio 】: Bluetooth V4.1+EDR, designed for great sound with HD Voice,noise cancellation technology and stereo speaker - You can have clear calls and wonderful music even in downtown.^ 3.【 Intelligent Connection 】: This upgraded speaker supports Apple Siri connection, can connect 2 bluetooth cell phones simultaneously on working.^ 4.【 Automated Modes 】: Automatic working method (Auto Connection, Auto Standby, Auto On) can save the battery life, save energy and protect environment.^ 5.【 Value for Money 】: A great replacement for your car built-in bluetooth to let you have hands-free callings and music.