1. Input: 3.5 Optical/Coaxial/Bluetooth/U Disk 2. Output: RCA left and right channels/3.5 stereo 3. Chip: Zhongke AB5301A 4. Power supply interface: DC5V 2A 5. Bluetooth: Bluetooth5.0 6. Dimensions: 70 x 82 x 27mm 7. Housing: metal housing 8. Packing list: host, antenna, USB power cable
