1. Material: ABS+iron mesh
2. Bluetooth version: 5.0
3. Transmission distance: about 10 meters
4. Charging port: Type-C
5. Number and size of speakers: 52mm*2
6. Speaker power: 10W
7. Speaker impedance: 4 ohms
8. Frequency response range: 100HZ-20KHZ
9. Signal to noise ratio: greater than or equal to 75DB
10. Sensitivity: 750mv
11. Distortion: less than 3%
12. Dimensions: 86x86x165mm