Specifications:
Brand: Step by Step
Telephone products with high-quality craftsmanship and materials
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
Built-in surge protection circuit
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