1. It is ergonomically designed and feels as if wearing it
2. 10mm composite film dynamic speaker driver unit
3. Aluminum alloy to create ear cavity, low distortion, three frequency balance
4. One-button wire control, simple operation, support singing /call, etc.
5. TPE toothed thread body, anti-winding, no knots, easy to store
6. Compatible with 8 Pin interface devices
7. Cable length: 1.2m
8. Weight: 16.5+/-2g