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
