1. Speaker: 14 mm;
2.Impedance: 32 Ω+ / – 15%;
3. Frequency of response: 20 ~ 20000Hz;
4. Sensitivity: 116 db + / – 3 db;
5. Audio plug: Ø 3.5 mm;
6. Earpiece line: TPE high-elastic line with enameled wire;
7. Microphone: Equipped; 
8. Wire control: compatible with mainstream apple and android phones, with exquisite workmanship,premium imitation 1:1;