Features: BR3 HiFi BT5.0 Audios Receiver adopt QCC5125 Bluetoothcompatible chip (upgraded version of CSR8675) For Digital Optical Coaxial 3.5AUX LDAC AptxHD HIFI can serve as a bridge between computer, phone, amplifier, speaker, and earphone,enjoylossless music Highperformances operational amplifier chip: NE5532 (factory default), users can replace and upgrades themselves Bluetoothcompatible protocolLDAC/AptxHD/aptXAdaptive/aptxLL etc Bluetoothcompatiblesampling rate: 44.1 khz/48 khz/96 khz (LDAC only supports 96 Khz) Specifications: Bluetoothcompatible chip: QCC5125 (upgraded version of CSR8675) Bluetoothcompatible protocol: LDAC/aptX HD/aptX Adaptive/aptx LL/aptx/SBC, etc Bluetoothcompatible sampling rate: 44.1 khz/48 khz/96 khz (LDAConly supports 96Khz) Bluetoothcompatible sampling bit: 1 6bit/24bit (highest) Bluetoothcompatible version: 5.1 (backward compatible with versions 5.0/4.2 and others) Transmission distance: within 15 meters Decoding chip: ES9018K2M Operational amplifier chip: NE5532 (factory default), users can replace and upgrade themselves Power supply for operational amplifier:DC12V Input interface: 2.4G Bluetoothcompatible receiving antenna Output interface: fiber optic+coaxial+RCA+3.5mm headphone jack, all interfaces output sound simultaneously Product size: approx 98x88x33mm Plug Adapters: UK/EU/AU/US Package Includes: 1PC HIFI Wireless 5.1 Audios Receiver note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!