Usage Tips:Low Latency and Studio-Quality Audio: The advanced Bluetooth 5.4 chip dynamically optimizes the bitrate for crystal-clear, lossless sound quality and low latency, perfect for movie dialogue and live concert broadcasts with zero audio lag. Note: This adapter does not have a built-in battery and requires power from an AC-to-DC adapter or USB cable. This product is a Bluetooth receiver only, not a Bluetooth transmitter, and does not support transmitter mode or headphone pairing. It only provides Bluetooth functionality for existing stereo/powered speakers/PAs. Universal Bluetooth 5.4 Compatibility: Works with any Bluetooth-enabled device: smartphones (iOS/Android), tablets, laptops, Windows/Mac computers, USB input, RCA output, and AUX output. No drivers required, instantly pairs with 99% of audio sources. 32-foot IR Remote Control: Includes a dedicated 10-meter range IR remote for seamless track skipping and volume adjustment from the couch. Easily navigate your playlist without touching your phone, perfect for parties, the gym, or a relaxing bath. Instant Setup and Auto-Reconnect: Plug and play, no configuration required. Bluetooth 5.4 memory chip automatically reconnects to the last paired device in 3 seconds. Truly plug and play, perfect for daily use, fitness or home entertainment.