1. Audio converter frequency response: 20~20000Hz.
2. Sensitivity: 116dB±3dB.
3. Audio plug: Lightning interface.
4. Size: 30*22*9mm. Weight: 2g.
5. Microphone: converter supports iPhone original Lightning interface earphones.
6. Wired control: converter supports iPhone original earphones.
7. Audio converter charging port: Lightning interface, charging current 2A.