Wireless Freedom - Easily stream audio from in-flight entertainment systems, fitness equipment, gaming consoles, , or any device with a 3.5mm audio jack. Say goodbye to the hassle of tangled cables and enjoy the fun of for , earbuds, or wireless headphones. Long-lasting battery life - With over 20 hours of play time, it can stay even on long trips. Plus, it supports charging while using the included cable, so your audio experience is never interrupted. Dual Functionality - It can be used as both a wireless transmitter and a receiver. It is perfect for connecting non-Bluetooth devices (such as wired speakers, sound bars, rental car or boat audio systems) to Bluetooth-enabled phones, tablets, or gaming devices. Superior Sound Quality - With Bluetooth 5.3 and advanced audio codecs including low latency, , , and AAC, it brings rich, delay-free sound for a truly immersive experience. Note: The codec displayed on the screen depends on your wireless earbuds / headphones (TX mode) and your phone (RX mode). for use the codec, not . Listen together - The LED screen easily connects up to two for /wireless headphones, or two phones. Share audio with a friend on a flight (TX mode), or enjoy music together in the car (RX mode). Note: To enter pairing mode, make sure your for are in the charging case. When pairing on an airplane, it is recommended to turn off nearby Bluetooth devices (such as your phone) to avoid interference. If the sound quality is poor, check your source device first. To reduce latency, make sure your device supports Bluetooth 5.3. Color: White Material: plastic Package Contents: 1 x Bluetooth 5.3 Audio Adapter 1 x Plug Protection Cover 1 x USB Cable 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.