Wireless Connectivity: This compact device allows you to stream audio wirelessly over Bluetooth from your smartphone, tablet, or other compatible devices. ^^ The EPPFUN Bluetooth receiver uses the American chip QCC518X Bluetooth 5.4 version, which has high resolution, low latency, and stable transmission characteristics ^^ Support HIRES encoding and decoding LDAC/LHDC/Aptx lossless/ Aptx adaptive, etc., supports up to 24Bite/196kHz sampling rate ^^ Support audio and home entertainment equipment products with fiber optic and coaxial interfaces ^^ Extremely simple and compact design, Matal Plastiv. plug in and use without any manual configuration required.