1. Frequency response: 20~20000Hz.
2. Sensitivity: 116db±3db.
3. Audio plug: Lightning interface. Microphone: support original Lightning connector.
4. Wire control: support Apple original headset.
5. The charging current is 2A. The Lightning interface has two sub-conductors that allow you to connect the charging cable and earphone at the same time.
6. Specifications: 1.2m – 21g, 15cm – 15g