**Product Specifications:**
**Brand:** Bubugao
**Model:** HCD198B
**Features:**
- 16GB built-in storage
- Record over 60,000 minutes continuously
- Long-lasting recording capabilities
- Voice expansion technology
- Thick gold-plated interface
- ABS engineering plastic material
- 40 million key presses durability
- 20 million spring insertions
- 100 million conductive gel clicks
- Blacklist function
- Password protection
- 8 speed dial keys
- Blue night light
- Multiple ringtone options
- Clear sound quality
**Additional Features:**
- Built-in storage for recording
- Card slot for recording
- Password protection for recordings
- Easy data transfer to computer
**Recording Modes:**
- Manual recording
- Automatic recording
**Other Functions:**
- Voicemail recording
- Blacklist feature with 20 groups
- Personalized ringtones
- Hands-free mode
**Durability Testing:**
- 40 million key presses
- 20 million spring insertions
- 20 million hands-free insertions
- 100 million conductive gel clicks
- Drop tested from 1 meter height 10 times
- Works in extreme temperatures (-30°C to 60°C)
- Endures 12-hour testing at 55°C and 95% humidity for 5 days
**Reasons to Choose HCD198B:**
Flexible recording file management
Easy connection to computer for file transfer
Multiple recording modes for convenience
**Design:**
Sleek and modern design
User-friendly interface
8 speed dial keys for quick access to contacts
**Audio Quality:**
Voice expansion technology for clear sound
High-quality voice chip for realistic sound reproduction
**Accessories:**
User manual
Data cable
**Package Contents:**
HCD198B Telephone
User Manual
**Warranty:** Manufacturer's warranty included
**Note:** For detailed product specifications and usage instructions, please refer to the user manual included in the package.