1Built& 8209;in bluetooth 5.0 receiver module, support mobile phone bluetooth audio push. 2Convert digital audio to analog audio signals. 3Builtin highperformance DAC chip, support 192K/24bit sampling rate. 4Bluetooth dedicated antenna for stable signal transmission. 5After successfully establishing a Bluetooth connection, it automatically switches to the Bluetooth playback mode. Condition: 100% brand new Item type:AnalogAudioConverter Material:aluminium alloy Color: As picture shown Weight: Approx. 208g Audio format: PCM / LPCM Audio sampling rate: 32 to 192K Bluetooth audio sampling rate: 32 to 48K PCM word length: 24 bits Input format: digital analog audio Output: 3.5mm, L/R RCA Maximum output power of 3.5mm audio port: 30mW Maximum working current: 5V/60mA Working environment temperature: -10 to +55 Storage temperature: -26 to +60 Working environment humidity: 10 to 90% RH (no condensation) Storage environment humidity: 5% to 95% RH (no condensation) Output volume adjustment Support forRCA and one 3.5mm audio output interface Supports one optical fiber and one coaxial input(just one can work at a time, and Bluetooth cannot be connected) 1 xConverter1 x USB connect cable1 x Antenna1 xSignal indicator1 x Instruction