𝟐-𝐢𝐧-𝟏 𝐁𝐥𝐮𝐞𝐭𝐨𝐨𝐭𝐡 𝐓𝐫𝐚𝐧𝐬𝐦𝐢𝐭𝐭𝐞𝐫 𝐑𝐞𝐜𝐞𝐢𝐯𝐞𝐫:In TX mode, Bluetooth Transmitter connects non-Bluetooth audio sources such as airplanes, TVs, or MP3 players to Bluetooth-enabled speakers, headphones via a 3.5 mm (AUX/RCA) cable. In RX mode, Bluetooth receiver receives audio from a smartphone or other Bluetooth source device and then transmits the audio to non-Bluetooth wired speakers, car/home stereos, headphones via a 3.5mm AUX cable. 𝐁𝐥𝐮𝐞𝐭𝐨𝐨𝐭𝐡 𝟓.𝟑 & 𝐐𝐮𝐚𝐥𝐜𝐨𝐦𝐦 𝐂𝐡𝐢𝐩: The Bluetooth transmitter receiver boasts state-of-the-art Bluetooth 5.3 technology and a Qualcomm chip, providing robust support for a wide range of Bluetooth audio coding protocols, including SBC, AAC, aptX, aptX-LL, aptX-HD. This dynamic combination delivers exceptional decoding capabilities, ensuring high-fidelity stereo sound quality comparable to CD-level standards. 𝐒𝐮𝐩𝐩𝐨𝐫𝐭 𝐟𝐨𝐫 𝐓𝐗 𝐚𝐩𝐭𝐗-𝐋𝐋 𝐋𝐨𝐰 𝐋𝐚𝐭𝐞𝐧𝐜𝐲: The airplane Bluetooth adapter features support for aptX-LL low-latency decoding technology (<40ms) in TX mode, ensuring a true synchronization of sound and picture. Additionally, with Dual Link AptX Adaptive, Low Latency for Flight, Travel, if you encounter significant delays, please first check the audio source and ensure that your device also supports aptX-LL. 𝐒𝐚𝐟𝐞𝐭𝐲 𝐅𝐢𝐫𝐬𝐭 𝐚𝐧𝐝 𝐋𝐨𝐧𝐠 𝐁𝐚𝐭𝐭𝐞𝐫𝐲 𝐋𝐢𝐟𝐞：The Bluetooth audio transmitter meets global quality standards, certified by FCC, CE, RoHS, BQB, and more. It ensures safety with features like voltage endurance, overcurrent, short circuit, and NTC overheat protection. With a full charge, it runs for over 24 hours and charges in just 2 hours using the provided Type-C cable. 𝐃𝐮𝐚𝐥 𝐋𝐢𝐧𝐤 & 𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞 𝐆𝐚𝐝𝐠𝐞𝐭:In TX mode, the Bluetooth transmitter receiver can simultaneously connect to two stereo Bluetooth speakers or stereo Bluetooth headphones. In RX mode, the receiver can concurrently connect to two Bluetooth-enabled smartphones or computers.Weighing only 0.7 ounces and with a lanyard, it's very easy to carry and definitely a quality companion for boring long distance flights.