1. Frequency response range: 20-20KHz
2. Plug: 3.5mm
3. Cable length: 1.2m
4. Metal material, beautiful appearance
5. Master sound tuning, restore HiFi sound quality
6. Multiple noise reduction processing, making calls and listening to music clearer
7. Silicone in-ear material, comfortable and not swelling
8. Outstanding bass, more shocking sound effects
9. Level 5 waterproof, level 4 dustproof, smooth movement
10. Multi-functional wire control operation, answering/hanging up, volume addition and subtraction are all available