Bluetooth transmitter and receiver Transmitter function transforms 3.5mm audio-out media devices into a Bluetooth device capable of streaming Bluetooth Audio receiver lets non-Bluetooth devices like car or home Stereos receive high-quality Audio; Instant sound enjoy a latency ...Bluetooth transmitter and receiver Transmitter function transforms 3.5mm audio-out media devices into a Bluetooth device capable of streaming Bluetooth Audio receiver lets non-Bluetooth devices like car or home Stereos receive high-quality Audio; Instant sound enjoy a latency lower than 95% of other devices with Low Latency technology end-to-end lag time is now 40 milliseconds so high-definition video is transmitted without problems in transmitter mode; A 2 for 1 connection two Bluetooth headphones or speakers can pair at once so children can watch in silence and give parents a needed break; Note: Low Latency does not support dual pair mode; Full control during receiver mode you have full control of the music including play/ pausing track selection and volume control with buttons on the adapter controls. The adapter can connect to a traditional device like wired headphones or speakers so they can receive Bluetooth music direct from phones and tablets; Always ready with 20 hours of continuous audio battery protection charging during operation and pairing memory functionality, You’re always ready for fun; Note in TX mode the unit should be plugged into the “L and R Audio out” jack or “aux out” jack or the headphone jack on the audio source device