Experience seamless audio transmission with the Lavales ML302 Bluetooth 5.3 Transmitter Receiver, a versatile 2-in-1 Bluetooth AUX adapter designed for effortless connectivity across your favorite devices. Engineered with advanced Bluetooth 5.3 technology, this adapter ensures fast, stable pairing and an ultra-low 40ms low latency performance, powered by aptX Adaptive/LL/HD audio codecs for crisp, synchronized sound without lag or distortion. This 2-in-1 Bluetooth adapter supports both TX transmitter mode and RX receiver mode to fit all your audio needs. In TX mode, it wirelessly transmits audio from TVs, computers, treadmills and other 3.5mm audio-output devices to Bluetooth headphones or speakers. In RX mode, it connects smartphones and Bluetooth-enabled devices to wired speakers, home stereos and wired headphones, delivering high-fidelity audio with the premium aptX-HD codec. Designed for dual link connectivity, the Lavales ML302 allows dual pairing of two wireless Bluetooth headphones at once, making it perfect for sharing music, movies and TV shows with family and friends at home, on flights, at the gym, on boats or on the go. The built-in 300mAh upgraded rechargeable battery provides an impressive 20 hours of non-stop operation in both TX and RX modes, with convenient USB-C charging or external power supply support. For efficient power management, the unit features an auto-sleep power-saving design after disconnection, which can be easily woken to resume normal use. Ideal for home stereos, TVs, MP3 players, gym equipment, marine use and travel, this compact Bluetooth audio adapter expands your wired audio devices into wireless systems. Please note the following before purchasing: this device is not recommended for electronic pianos, guitars or live music applications due to potential significant latency; noticeable high latency may also occur if paired with headphones without aptX Low Latency or aptX Adaptive technology. To ensure optimal performance, fully charge the adapter upon first receipt before initial use.