2 In 1 Wireless USB Bluetooth 5.0 Adapter Transmitter Receiver Wireless Audio Adapter Stereo Audio 3.5mm With LED Indicator1PCS Product Description: 1. This portable and lightweight wireless audio transmitter and receiver is the ideal wireless audio Bluetooth transmission solution for every situation and use. 2. Transmitter mode: Wirelessly transmits audio from a non-Bluetooth TV, home stereo system or CD player to a Bluetooth headset or speaker. 3. Receiver mode: Wirelessly transfer audio from a Bluetooth-enabled phone, tablet with bluetooth or computer with bluetooth to cable stereo, speakers or headphones. 4. This product is compatible with most Bluetooth protocol products on the market, with low output delay and stable performance. Widely used in computer / laptop / tablet / home stereo system / headset / smart phone / MP3 player and CD player and so on. Product Specifications: Bluetooth standard: 5.0 Effective working radius: 10 (m) Operating frequency: 24 (MHz) Transmission rate: 300 (Mbps) Interface: USB