1. Uplink interface: Type C Male
2. Audio interface: 3.5mm female.
3. Charging interface: Type-C female
4. Interface PIN definition: 3.5mm female
5. Expanding earphone analog impedance: Typical 320
6. Support headset types: CTIA and OMTP standard headset
7. Headphone Insertion/Removal Detection: Support
8. Digital Audio Codec Chip: CX21988
9. Digital Audio Codec Decoding Rate: DAC Support: 96kHz/24bit ADC 48K/16BI
10. Signal to Noise Ratio: 100dB
11.THD+N 1KHZ 0dbfs: -85db
12. Charging protocol chip: LDR6023
13. Charging protocol: Type-C PD fast charging protocol
14. Charging voltage (MAX): 20V
15. Charging current (MAX): 3A