Features 1、Let ordinary speakers instantly become wireless bluetooth stereo audio music speakers. 2、It can be paired to any bluetooth enabled devices, such as mobile phone, laptops, speakers and bluetooth audio transmitter. 3、Small design is more humanized, you can take it wherever you want. 4、Use on TVs, computers, mp3s, etc. without bluetooth. There is no need to install the driver. 5、Wirelessly stream audio from your bluetooth-enabled phone, tablet,or computer to your wired stereo,speakers,or headphones. Specifications: Condition: 100% Brand New Item Type: Bluetooth Audio Receiver Transmitter Material: ABS Color: As Pictures Shown Product Model: KN330 Bluetooth Version: BLUETOOTH 5.0 Operating Range: Maximum 10 m / 33 ft (no obstruction) Pairing Name: KN330 (in receiving mode) T X Mode: Transmitter mode, red LED light R X Mode: Receiver mode, blue LED light Package List 1 x Host 1 x Power Line 1 x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.