eppfun Bluetooth 5.3 Audio Adapter, Receiver for Stereo System with 3.5 mm AUX Jack & RCA HiFi Speaker Amplifier

HiFi Wireless Audio Streaming System: The C52 Bluetooth receiver upgrades home speakers and car stereos that do not have Bluetooth function to Bluetooth speakers, allowing you to enjoy HiFi music from your smartphone wirelessly NFC Function: Place your mobile phone in the NFC sensing area of this product after turning on the NFC function for convenient one-touch connection (the mobile phone must support the NFC function) Product Specifications: Compact size measuring 6.8 x 6.8 x 2cm, lightweight at 45g, features multiple audio ports including NFC, TF card slot, 3.5mm AUX, and RCA AUX, with indoor reception distance of 10m and input voltage range of 4.8V to 5.25V Bluetooth 5.3 Technology: The C52 Bluetooth receiver incorporates the latest low energy loss Bluetooth Ver5.3 chip, which is compatible with older versions of the product and has a longer transmission distance and faster speed than Bluetooth 4.0 Easy Setup and User-Friendly: Connect the power supply to directly enter pairing mode, turn on the Bluetooth of your smartphone, and select CB2 to establish connection Wide Compatibility: Works seamlessly with amplifiers, home stereo systems, and speakers, transforming any non-Bluetooth audio device into a wireless streaming system Dual Connection Options: Equipped with both 3.5mm AUX jack and RCA ports to accommodate various audio equipment and connection preferences