Bluetooth 5.0 Adapter: Bluetooth Transmitter/Receiver uses 5.0 technology, offers more stable, faster transmission, lower power consumption, while demonstrating excellent sound quality. Transmitter & Receiver: RX mode: Wirelessly streams audio from your Bluetooth-enabled phone, computer to your wired stereo, speakers etc. TX mode: wirelessly streams audio from your non-Bluetooth TV, or CD player to your Bluetooth cellphones or speakers Broad Compatibility: widely be used on your computer, laptop, home stereo system, cellphone, Mp3 player, CD player, etc Super-portable Design: The Bluetooth transceiver has a width of 44 mm (1.73 inches) and weighs 18 g, but has powerful wireless audio streaming capabilities. Put this transmitter and receiver in a backpack or laptop bag and take it with you on the go. Simple Operation: Switch between transmitter and receiver modes with a single tap of the switch. Easily connect using advanced Bluetooth technology and a 3.5mm audio cable (included).