TRANSMITTER + RECEIVER 2 IN 1The portable Bluetooth adapter can be used as a transmitter or a receiver. With the latest version of Bluetooth 5.0, it can pair with two headphones/speakers at the same time. APTX LOW LATENCYWith aptx low latency technology, enjoy less than 95% latency from other devices, which can provide more stable sound, you can watch TV/movie/video in perfect synchronization. (The device you used must support aptx low latency.) MORE OPTIONS, MORE FLEXIBLE with 3.5mm + OPTICALWireless Bluetooth audio adapter supports connections optical digital and AUX. With the supplied cable, it can be used for TVs, stereos, laptops, headphones, MP3/CD players and cars with AUX input. AUTO RE-PAIRINGThe Built-in battery can ensure 15 hours of use, and it automatically re-pairs with previously paired devices. WIDE WORKING RANGEWorking distance is up to 10 meters (unobstructed) . And this bluetooth transmitter supports constant streaming. Product What's in the box 1x Bluetooth adapter 1x Toslink cable 1x 3.5mm audio cable 1x 3.5mm RCA cable 2 1x Micro USB Cable2-in-1 Bluetooth 5.0 Audio Transmitter Receiver The Wireles Audio Adapter allows you to wirelessly stream your favorite movies, music, games or other media from sources not Bluetooth directly to Bluetooth headphones or speakers. It also allows traditional audio devices such as home and car stereos to receive music from your mobile or tablets. Audio output: 3.5mm (AUX and RCA), optical -digital (TOSLINK / SPDIF) Transmission mode: Receiver RX mode / Transmitter TX mode Audio codec: aptX, aptX LL Bluetooth range: up to 10m / 33ft Working time: 15 hours Bluetooth version: 5.0 2 in 1 Bluetooth adapter - you can play music and videos wireless anywhere. Transmitter Mode In transmitter mode, if you connect the Bluetooth transmitter to audio output devices, it can transmit audio from your TV, computer and iPod to your Bluetooth speakers and headphones. A simple one-button switch can toggle between TX and RX modes. Receiver Mode In receiver mode, you can stream audio from your phone to Bluetooth-enabled devices (stereo, speakers). Turn your old-school stereo into a smart speaker in seconds. Enjoy wireless music streaming.aptX Low LatencyaptX Low Latency ensures that you can watch video while listening to audio wirelessly in sync and without any noticeable audio delay. Bluetooth Audio Adapter - Share audio and video with family and friends. More options, more flexibilityWith the included Toslink digital optical audio cable, 3 AUX audio cable .5mm and RCA plug cable, it can be used for TV, home stereos, computers, laptops, headphones, smartphones, MP3/CD players and cars with AUX input. your multiple needs.Double pairing for audio sharingThe Bluetooth 5.0 audio adapter supports simultaneous connection of two Bluetooth devices in TX and RX mode, you can share the fun with your family or friends. It automatically connects to your previously paired devices when it turns on again.Bluetooth 5.0 ChipsetWith upgraded Bluetooth 5.0 chipset, it can provide more stable sound, there is no delay between sound and picture, you so you can watch TV/movie/video in perfect sync.