Bluetooth name: audio-rx Receiver modes: Supports fiber optic output, coaxial output, and analog output; Transmission modes: Supports fiber optic input, coaxial input, and analog input; It adapts to audio devices switching to Bluetooth transmission, enabling two boards to connect to each other 1. Supports BQB5.0 certification 2. Power supply is provided by a mobile phone charger with a Type-C 5C input. 3. Bluetooth distortion: 0.15% total harmonic distortion + signal-to-noise ratio: 95dB 4. Audio and ADC: 24 (24bit) 24bit-192K digital audio resolution capability 5. CPU: 240MHz RISC-32 CPU processing core 6. 400MHz digital signal processing core 7. Bluetooth version: 5.0 compatible with V4.2/V4.2LE/V2.1+ 8. Bluetooth Protocol: Supports Bluetooth 5.0 and A2D9, AVRCP. HFP, SPP, BR HID HOST, BR HID DEVICE, BLE HID, and other blue... 9. Transmit/receive latency: Supports ACTX-LL low latency, as low as 30ms. Color:As Shown Material:PCB Package Contents: 1 * Optical Fiber Coaxial Audio module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.