Oceanheart Bluetooth 4.0 Transmitter With 3.5MM Aux-in port Home Audio For iPhone, Samsung, TV/laptops/CD player/iPod/MP3 players and Other Stereo Devices - Transmit TV&rsquo;s Voice to Bluetooth Headphone If your old television has no 3.5mm aux-in port, a RCA cable will be need. Attention please, it is JUST a Bluetooth transmitter, NOT a receiver. Work with any type and brand of device such as TV, PC, CD player, iPod, MP3/MP4 etc. Up to 30 feet working range. Easy pairing with Bluetooth stereo headset, headphones, speakers and other Bluetooth stereo audio enabled system. With this Bluetooth transmitter, you can transmit the voice of those with 3.5mm jack port but don't have a Bluetooth function like TV to your Bluetooth headphones, so that you can enjoy yourself even at midnight without worrying about bothering others if you watch the game or TV. Small, lightweight and durable! Take it with you and enjoy Bluetooth music anytime/anywhere for up to 7 hours! Can work while charging. Micro charging port. Package contents: 1x Bluetooth transmitter; 1x USB charging cable; 1x 3.5mm audio cable; 1x User Manual, and a One-Year guarantee, if you have any questions about our item, please feel free to contact us: Oceanheartus@outlook.com.