Features: 1. In Transmitter mode, turn a non-Bluetooth TV, PC, CD player, for iPod, MP3 / MP4 into Bluetooth transmitter. Receiver mode: Ideal for home or vehicle music streaming sound system. 2. Simply connect this bluetooth audio receiver to your line-in or auxiliary input on your speakers, pair it to your Bluetooth enabled device, and enjoy the wireless music revolution. 3. Whether you want Bluetooth convenience in your car, through your home-theater system, in your kitchen, bathroom, or bedroom, etc. 4. AptX audio codec for a richer and deeper sound experience. Listen to CD-like audio quality at no compromise. 5. Simple operation, 3.5mm Male to Male Audio Connector or 3.5mm Male to Male Audio Cable to connect the speakers and the receiver. 6. Powerful bluetooth IC, More stronger compatibility. 7. Powered by built-in rechargeable li-ion battery via mini USB port , long working time and low consumption. (Mini USB cable included) 8. You can play music through your car and answer phone call via the built-in Mic. Specification: Product model: Bluetooth audio adapter Bluetooth version: Bluetooth 5.0+EDR Function: Bluetooth audio receiving and transmitting combo Transmission signal distance: 10m Color: Black Input voltage: DC/5V Input interface: 3.5mm +USB Output interface: 3.5mm How to Use: 1. Power on/off Power on: Long press the ON/OFF button for 5-7 seconds until you hear a "ready for connecting or a sound", it will auto connect the phone which was paired. Power off: Long pthe ON/OFF button for 4-5 seconds until you hear a "Long be or red led". 2. Connect the receiver to your speakers With 3.5mm Male to Male Audio Connector or 3.5mm Male to Male Audio Cable to connect the speakers and the receiver (if no sound, Please make sure it was inserted completely). Package Included: 1 * TR6 Bluetooth 5.0 Receiver Transmitter 1 * Micro USB Power Cable