CHU II incorporates a new generation of replaceable acoustic filters. CHU II was tuned by senior acoustic engineers and audiophiles with rich knowledge and wide experience, and exhibits an excellent frequency response curve in line with the VDSF Target Response.
| Color | Chu Ii |
| Style | Wired in-ear headphones |
| Vocalism Principle | Dynamic |
| Origin | Mainland China |
| Material | Metal |
| High-concerned Chemical | None |
| Communication | Wired |
| Category | Earphones & Headphones |
| Plug Type | L Bending |
| Frequency Response Range | 20 - 20000 |
| Wireless Type | None |
| Line Length | 1.2 |
| Sensitivity | 119 |
The metal housing feels durable, and the headphones still stay comfortable for long listening.