2-in-1 Bluetooth 5.4 Audio Adapter with Qualcomm Chip Low Latency Wireless TransmitterReceiver for CarHome 1. 2-in-1 Bluetooth 5.3 Audio Adapter: A versatile wireless adapter with a Qualcomm chipset for both Bluetooth transmission (TX) and reception (RX), designed for car AUX systems, home stereos, or headphones. Features ultra-low latency, dual-device pairing, and 3.5mm audio inputoutput. 2. Dual-Device Simultaneous Connection: --RX Mode: Connect 2 phonestablets to stream audio to non-Bluetooth speakers or car AUX. --TX Mode: Transmit audio from TVsgame consoles to 2 Bluetooth devices (e.g., headphonesspeakers). 3. 15-Meter Stable Transmission & Low Latency: Supports stable wireless audio streaming up to 15m (open space) with Qualcomm-optimized latency reduction for synced audio in gamesvideos. 4. Type-C Fast Charging & Extended Battery: Built-in 300mAh battery provides up to 18h (TX) 20h (RX) runtime. Type-C interface for fast charging. 5. Multi-Scenario Compatibility: Works with cars (AUX port), TVs, PCs, gaming consoles, and headphones. Compact design for portable use.