AUTOMATIC RECONNECTION: Once paired, the RCA to Bluetooth transmitter auto-connects to your last device when powered on. Ideal for daily use. Just hit play and enjoy hassle-free music. MULTI-ROOM AUDIO MADE SIMPLE: Sync multiple speakers via AUX/RCA/Optical cables for whole-home audio consistency. The Bluetooth receiver for speakers turns your living room, kitchen, and patio into a unified sound system for parties or daily vibes. IMPORTANT TO NOTE: No Built-in Battery: Requires constant power (Type-C cable included). Receiver-Only: Works with speakers/amps, not Bluetooth headphones or TVs. PLUG & PLAY SETUP: Connect to your stereo via RCA/AUX/Optical. Power via Type-C. Pair with your device in seconds, no apps or complicated settings. SMART LCD DISPLAY & EASY CONTROLS: The Bluetooth to aux adapter's intuitive LCD screen shows volume levels, playback mode, and connection status at a glance. Adjust settings directly on the RCA Bluetooth adapter, no need to fumble with your phone mid-song.