BLUETOOTH WIRELESS AUDIO RECEIVER: The KAIY Bluetooth adapter for old receiver is a compact, lightweight Bluetooth audio receiver that delivers consistent, rich, crystal-clear sound. Stream high-definition audio wirelessly to your sound system and control playlists directly from your smartphone, tablet, computer, or any Bluetooth-enabled device.

VERSATILE CONNECTIVITY HUB: The Bluetooth adapter for stereo receiver is simple to install, set up, pair, and operate. With RCA and 3.5mm AUX audio outputs that work simultaneously, you can easily connect the Bluetooth receiver for speakers to any audio system.

MUSIC PLAYBACK CENTER: This Bluetooth audio adapter supports three music playback modes: ①Bluetooth Mode, which allows you to stream directly from your phone, tablet, or laptop. ②USB flash drive/TF Card Playback: Play audio directly from USB drives or TF cards. ③AUX Mode: Connect via wired 3.5mm input for maximum flexibility.

MAXIMUM WIRELESS FLEXIBILITY: Bluetooth to RCA adapter with the high-performance antenna and the latest Bluetooth Version 5.3 technology, you can stream any audio format and enjoy synchronized, true Hi-Fi digital audio at extended ranges of up to 33ft with no dropouts.

NFC TAP-TO-PAIR: The Bluetooth RCA adapter with a built-in NFC chip allows for seamless connection by simply bringing your NFC-enabled smartphone or tablet close to the receiver. Say goodbye to manual pairing processes and enjoy hassle-free connections.

VERSATILE COMPATIBILITY: The RCA Bluetooth adapter is ideal for adding quality wireless audio streaming capabilities to sound systems in fitness gyms, schools, classrooms, gymnasiums, houses of worship, restaurants, retail stores, medical facilities, warehouses, hospitality spaces, and business background music systems.

CAR-READY BLUETOOTH RECEIVER: Plug the Bluetooth receiver 3.5mm output into your car’s AUX port for wireless audio and hands-free calls. Features one-touch call answering/ending and a built-in mic that suppresses background noise for crystal-clear conversations.

IMPORTANT DETAILS: Requires USB power (cable included; AC adapter not included). Bluetooth to RCA works with wired speakers, stereos, and car audio systems (RCA/3.5mm). Not for Bluetooth headphones or TVs.