Olasonic NA-BTR1 Operation confirmed. Includes the main unit, AC adapter, and instruction manual. This is a Bluetooth adapter from Olasonic with various connection terminals. Product Overview Bluetooth receiver featuring high-quality codecs and three audio output terminals Make your audio system high-quality Bluetooth compatible. The future of living with smartphones. Compatible with LDAC, Qualcomm aptX, and Qualcomm aptX HD, allowing you to enjoy music and video streaming sites from smartphones and tablets in high quality. Also supports SBC and AAC. Wide range of connections possible due to support for COAXIAL/OPTICAL digital and RCA analog. One-touch connection via NFC function Easy connection by simply holding an NFC-enabled device over the unit. Compact size for flexible placement The compact size allows for vertical placement and can be freely placed in any space. No returns or exchanges.