1. [Wireless Audio Streaming] The Bluetooth receiver allows you to wirelessly stream audio from a Bluetooth enabled device to an existing wired home stereo, speakers or headphones. Perfect for car or home speakers, you can also enjoy high-fidelity stereo audio through headphones. 2.[Hands-free calling] Built-in microphone makes calling with family and friends a breeze. Great for hands-free calling while driving. Once the bluetooth receiver car kit is synced with the device, simply connect your earbuds and they'll be blown away when they become hands-free bluetooth headphones. Output crisp, clear audio from your device up to 44 feet away. 3.[Rechargeable and easy to control] This portable bluetooth 4.2 receiver car kit can be charged while working. It gives you an easy-to-control listening experience, just turn up/down the volume, play and pause music, or answer calls without using a smartphone. 4.Auto reconnect and long distanceCan automatically connect your last paired Bluetooth device in pairing mode. It's also equipped with the latest Bluetooth technology for a robust, stable connection in open spaces up to 40 feet without hassle. 5.Small and Wide CompatibilityThe mini bluetooth audio receiver is a space-saving design, convenient to use with various devices. Equipped with Bluetooth 4.2 technology, this Bluetooth audio adapter is compatible with most smartphones and is ideal for home or vehicle audio systems. Please do not try to pair it with a bluetooth headset or bluetooth speaker, as this gadget acts as a bluetooth receiver not a bluetooth transmitter. "all Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution."