About us
Equipment
Others：
| Humidity & temp testing | Impedance testing | RCA testing |
| Cable bend testing | Headband torque testing | Slider push in/out cycle testing |
| Mic. button life cycle testing | Salt spray test machine | High-frequency automatic fusing machine |
| Acoustical testing | Noise generator testing | BT signal testing |
| Bubble level testing | Headband expansion testing | Thermal shock testing |
| Plug pull out/in cycle testing | Hardness test machine | Headband clamp force testing |
| Polarity testing | Alcohol resist/pencil hardness machine |