The BluDento B2 is a Hi-Fi Bluetooth 5.1 audio receiver that adds wireless streaming to any home stereo, amplifier, or powered speaker setup. It runs on an onboard ESS ES9018K2M DAC for audiophile-grade 32-bit/384kHz analog output, and supports LDAC, aptX HD, aptX Low Latency, aptX, AAC, and SBC codecs for high-resolution wireless sound. A built-in OLED display and single multi-function button let you monitor connection status without a companion app or driver, and the unit automatically enters pairing mode on power-up. Output options include analog RCA and 3.5mm AUX plus digital optical TOSLINK and coaxial S/PDIF, giving it broad compatibility with existing stereo gear, and the Class 1 Bluetooth chipset with external gain antenna is designed for extended wireless range. It ships with a USB-C power cable, RCA audio cable, optical audio cable, RCA-to-3.5mm adapter, and Bluetooth antenna.Condition Notes: This unit is Open Box; The retail packaging has been opened, the receiver shows no visible signs of wear or damage.This item was opened and inspected prior to listing to confirm it functions properly and all parts are included.