Specifications: Type:Bluetooth 5.0 Audio Transmitter/Receiver;  Technology:BT5.0, A2DP, AVRCP (receiver only mode);  Operating Range:Up to 10m / 33ft (without any obstacles);  Pairing Name: (Receiver Mode)  35;  Transmitter Mode:Red LED lights up;  Receiver Mode:Blue LED lights up;  Operating Frequency:2.4 MHz;     Features: Transmitter Mode: Wirelessly transfer audio from a non-Bluetooth TV, home stereo system or CD player to a Bluetooth headset/speaker/receiver;  Receiver Mode: Wirelessly transfer audio from a Bluetooth-enabled phone, tablet or computer to wired stereo, speakers or headphones. AUX Output Mode: Through the car AUX interface, a car without Bluetooth function can easily play music on the phone or tablet;  USB Output Mode: Read the USB interface through the car, it is a car without Bluetooth function that can easily play music on the phone or tablet;  Applications: For Car, stereo, tablet, headset, computer, Bluetooth TV, etc;     Package Included: 1 x Bluetooth 5.0 Audio Transmitter Receiver;  1 x 3.mm Aux Cable;  1 x User Manual