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% New_x000D_Item Type: Bluetooth Audio Receiver Transmitter _x000D_Material: ABS_x000D_Color: As Pictures Shown_x000D_Product Model: KN330_x000D_Bluetooth Version: BLUETOOTH 5.0_x000D_Operating Range: Maximum 10 m / 33 ft (no obstruction)_x000D_Pairing Name: KN330 (in receiving mode)_x000D_T X Mode: Transmitter mode, red LED light_x000D_R 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