Thank you for viewing. I am selling this item because I don't use it often (powered on for about 2 hours). Only sound quality check! Almost unused. All accessories are included. Complete set. Please refer to the photos. ● Chipset: Qualcomm QCC 5100 series ● Input: Bluetooth 5.0 (aptX, aptX HD, aptX Adaptive, aptX LL, LDAC, HWA/LHDC, AAC, SBC codecs) Supports almost all codecs. You can enjoy the high-quality sound unique to iFi. Please take this opportunity to listen to it. You will surely be surprised. ● Output: Optical/Coaxial, Audio RCA L/R, 4.4 balanced line output Price reduction is welcome. Please comment in the comment section! Immediate purchase is welcome. No comment is also welcome. If you have any questions, please feel free to ask.