AutoOn: Automatically powers on when connected to a power source, making it convenient for use in a car or other situations where automatic activation is desired. Dual Device Link: Pairs a smartphone and a tablet at the same time and streams music to any stereo system that supports a standard 3.5mm jack. You can connect two Bluetooth devices at once to listen to music, make calls, and more. Connect two devices: Supports connecting to a 3.5mm audio port and two audio ports at the same time. Hands calling and navigation broadcast: Builtin microphone for hands calling with a simple button to answer, redial, hang up or reject calls. The Bluetooth car adapter also supports broadcasting voice notifications from existing navigation apps, so you can receive directions without looking at your phone. Use scenarios In car daily driving: the device powers on automatically when plugged in, pairs with your phone, and lets you stream music or take calls through the car stereo using a 3.5mm connection. Shared media at home or on the move: pair a smartphone and a tablet to control playback on a single stereo system, while also connecting to two Bluetooth devices at once for flexible listening and calls. Safe driving with navigation prompts: hear turnbyturn directions from your navigation app through the car speakers, reducing the need to check your phone.