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General| Model | BT7420 |
|---|---|
| Power Source | Battery |
| Wet & Dry Use | Yes |
| Precision Dial | Yes |
| Precision Trimmer | Yes |
| Cordless Use | Yes |
| Travel Lock | Yes |
| Battery Type | Li-Ion |
| Charging Time | 1 hour |
| Series | 7 |
| Color | Silver |
Instructions for charging the device using the power supply or charging stand.
How to engage and disengage the travel lock to prevent accidental operation.
Instructions for trimming beard and hair using different attachments.
Techniques for creating gradient effects on beards with specific combs.
Using detail trimmer and foil shaver heads for precision grooming.
Appliance is safe for wet use but must be operated cordless.
Use only the provided cord set; avoid manipulation or damaged parts.
Built-in batteries require authorized service for replacement.
Guidelines for safe use by children and individuals with reduced capabilities.
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