1Let ordinary speakers instantly become wireless bluetooth stereo audio music speakers. 2It can be paired to any bluetooth enabled devices, such as mobile phone, laptops, speakers and bluetooth audio transmitter. 3Small design is more humanized, you can take it wherever you want. 4Use on TVs, computers, mp3s, etc. without bluetooth. There is no need to install the driver. 5Wirelessly stream audio from your bluetooth-enabled phone, tablet,or computer to your wired stereo,speakers,or headphones.1 x Host1 x Power Line1 x ManualCondition: 100% NewItem Type: Bluetooth Audio Receiver Transmitter Material: ABSColor: As Pictures ShownProduct Model: KN330Bluetooth Version: BLUETOOTH 5.0Operating Range: Maximum 10 m / 33 ft (no obstruction)Pairing Name: KN330 (in receiving mode)T X Mode: Transmitter mode, red LED lightR X Mode: Receiver mode, blue LED light 1Let ordinary speakers instantly become wireless bluetooth stereo audio music speakers. 2It can be paired to any bluetooth enabled devices, such as mobile phone, laptops, speakers and bluetooth audio transmitter. 3Small design is more humanized, you can take it wherever you want. 4Use on TVs, computers, mp3s, etc. without bluetooth. There is no need to install the driver. 5Wirelessly stream audio from your bluetooth-enabled phone, tablet,or computer to your wired stereo,speakers,or headphones.1 x Host1 x Power Line1 x Manual