| Width | 21.2 |
| Height | 7.6 |
| NetWeight | 0.66 |
| Brand | Step by Step |
| Features | ABS engineering plastic, 40,000 key presses, voice compression technology, thick gold-plated interface, 20,000 plug insertions, thickened circuit board, conductive gel with 1 million clicks |
| Services | Own factory, 300+ service centers nationwide |
| Durability | ABS engineering material, thick gold-plated interface, thickened circuit board |
| Testing | 40,000 key presses, 20,000 plug insertions, 20,000 hands-free operations, 1 million conductive gel clicks, withstands 10 drops from 1 meter height, operates in temperatures from 60°C to -30°C |
| Environmental testing | 12-hour testing at 55°C, 5-day testing at 95% humidity |
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