1. Ergonomic design, comfortable to wear
2. Anti-interference wire, not easy to tangle, resistant to pulling
3. Dual dynamic coil, four speakers, strong sound layering, suitable for iPhone 15 mobile phones
4. Material: ABS+aluminum alloy+braided wire+TPE
5. Digital chip: Lanxun 136D
6. Rated power: 3mW
7. Speaker: 8mm x 4
8. Impedance: 32 ohms +/-15% at 1KHZ 1mw
9. Sensitivity:103+/-3dB
10. Microphone: 4013
8. Interface: Type-C