[EASY TO INSTALL] The headphones Z702 and transmitter BTI-038 are arrive pre-paired, turn them on then they will connect automatically in no time. You may watch the 3-minutes video under product pictures to help you understand how to use. | [WORK WITH ALL KINDS OF TV] Bluetooth transmitter BTI-038 can connect with all kinds of TV which support Optical Digital or RCA/3.5mm AUX audio ports, compatible with almost all TVs on the market. There are some RCA input ports on your TV’s back panel which may be very similar to the output ports, please check if the ports are for audio out or in before connect. | [LOW LATENCY HEARING SET] Both Wireless Earbands z702 and Bluetooth transmitter BTI-038 support FastStream codec, which can bring you immersive TV watching experience with no lip sync problem. If you need second set of headset, please search B085M36T79 to find it on amazon. | [FREE TO USE THEM SEPARATELY] Wireless Earbands z702 can be use outdoors with no burden due to its portable and lightweight feature, pair it with your phone then enjoy music and answer phone calls in super convenient way; Bluetooth transmitter receiver BTI-038 is very suitable to be used as TV wireless transmitter and can deliver audio to any other Bluetooth speakers/headphones as well. (Note: Charging cables are included, power plugs are not included. If you connect via Optical cable, the volu) | [GOLVERY 24-MONTH WARRANTY] We provide 24-month warranty, 90 day Money Back, Life Time Friendly Technical Support to ensure your hassle-free buying experience. Any questions or concerns, please feel free to contact us, we will be always here for you.