What You Get?1 x Bluetooth Transmitter and Receiver, 1 x 3.5mm Audio Cable, 1 x RCA Audio Cable, 1 x USB-C Charging Cable, 1 x User Manual. Giveet offers 12 months warranty and lifetime customer service. For any problem, please contact us under "My order - Contact the Seller", we will reply and resolve all your questions within 24 hours. Stable Wireless Connection?Built-in the latest Bluetooth 5.3 technology, the Bluetooth transmitter for tv provides a faster and more stable transmission, offers a working distance of up to 33 feet, Small in size and light in weight, you can bring it anywhere. Connect it to your car, in-flight system, gym equipment, gaming device with any headphones jack, you'll have a hassle-free wireless audio experience without any tangled cords to untangle. Best choice for your long-haul flights. Up to 16 Hours of Battery?This AUX Bluetooth adapter is built-in 280mAh battery, it can be used continuously for 16 hours when takes only 2 hours charge through the USB-C charging cable that provided. When it is in low power state, the adapter can be plugged into the power supply for charging while working. Ensures enjoying your favorite wireless content all the time. Two Devices Pairing?In TX mode, Giveet Bluetooth TV transmitter can be connected to two Bluetooth headphones or speakers, allows you to share the joy of movies with your friends or your families. In RX mode, the receiver can be paired to two phones or tablets, but it can only receive audio from one of the two paired devices. Moreover, when you turn on the BTI-018 again, it will automatically re-connect the last connected devices. Enjoy Less than 40ms Delay?Giveet Bluetooth AUX transmitter adopts with advanced aptX Low Latency technology, audio latency has been reduced from 70-220ms latency to about 40ms. Delivers high-definition sound in perfect audio-visual synchronization to watch TV and play video games. (Note: Please ensure your receiving device must also support atpX Low Latency.). Magic Device as Bluetooth Receiver?Simply connect the Bluetooth receiver to your traditional home stereo system/wired headphones/wired speakers/car speaker via 3. 5mm cable, and pair it with Bluetooth-enabled audio sources such as your smartphone, tablet to enjoy pure Hi-Fi music wirelessly. Magic Device as Bluetooth Transmitter?Giveet Bluetooth transmitter can help transmit HIFI audio wirelessly from your non-Bluetooth audio sources, such as TV, computer, ipod, TV box, MP3/MP4, CD/DVD player, projector, airplane entertainment, Treadmill, eBook reader, through the AUX/RCA jack, and transmits the audio to your Bluetooth-enabled headphones or speaker. (Note: We do not recommend using it on professional music equipment.).