Dual-Function Bluetooth Adapter: The product serves as both a Bluetooth receiver and transmitter, offering flexibility in usage. Low Latency and HiFi Stereo: The low-latency codec ensures no delayed content streaming in transmitter mode, providing a high-quality stereo experience. Multi-Device Connectivity: The upgraded 2-in-1 adapter can be paired with two Bluetooth receivers simultaneously, making it easy to connect to different devices like headphones and speakers. Long-Lasting Battery and Always-On Function: The built-in battery provides up to 10 hours of continuous use, and the adapter can transmit data even while charging. Versatile Compatibility: The adapter can be used in both transmitter and receiver modes and is compatible with non-Bluetooth devices such as TVs, computers, CD players, iPods, and MP3/MP4 players. It also supports Bluetooth calls and features an aux input/output.