SMN-71
Showell
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2-in-1 design: Combines an electric nail drill and a callus/foot grinder in one unit — suitable for fingernails and toenails.
Adjustable speeds: 5-speed settings (Baby / Adult / Medium / Fast / Strong) for delicate polishing to heavy-duty grinding.
Multiple bits included: 8 interchangeable grinding/polishing heads for shaping, edging, callus removal, polishing, and cuticle/gap cleaning.
Portable charging: Type‑C fast charging with a 2000mAh battery for long runtime and travel-friendly use.
LED precision light: Built-in LED light for accurate work in dim conditions or small areas.
Lightweight & quiet: Approx. 135g body weight with low noise operation for comfortable use.


Accessory Functions (8 common bits explained)
Diamond cone coarse head (large cone)
Use: Remove thick calluses and hard dead skin on heels.
Feature: Strong abrasion for efficient callus removal. Tip: Start at low speed and use short, light strokes.
Diamond cylinder medium head
Use: Smooth uneven surfaces on heels and thicker nail areas.
Feature: Moderate removal power and good control.
Soft polishing head (white silicone/sanding)
Use: Polish nail surface, remove fine debris, final smoothing.
Feature: Gentle on nail plate, ideal for finishing.
White wedge / cone polishing head
Use: Trim edges, reach sidewalls and areas close to the cuticle.
Feature: Shape fits corners for precise detail work.
Small metal drill bit (fine)
Use: Clean nail grooves, remove stubborn debris and hangnails.
Feature: High precision, for localized tasks.
Tapered slim metal bit
Use: Hangnail removal, cuticle groove work, detailing and shaping.
Feature: Good for fine sculpting and gap cleaning.
Small rounded polishing bit (metal round head)
Use: Smooth small defects and polish edges.
Feature: Reduces chance of scratching, suitable for fine finishing.
Wide cup / foot polishing head (large white cup)
Use: Large-area callus smoothing on soles and heels.
Feature: Covers wider area for efficient foot care.

Intended Uses
Home manicure: shaping, smoothing, and polishing fingernails.
Pedicure & callus care: removing heel calluses and rough skin on feet.
Detail work: cleaning nail grooves, removing hangnails, trimming sidewalls.
Pre-polish prep: smoothing nail surface before polish or gel application.


Advantages Summary
All-in-one: replaces separate nail file and foot file — saves space and cost.
USB‑C fast charging + 2000mAh: convenient modern charging with reliable runtime.
Variety of bits and 5-speed control: accommodate sensitive to heavy-duty tasks.
Lightweight & low-noise: comfortable for extended personal use.
LED light for improved precision in detailed work.
How to Use (Step-by-step)
Preparation: Clean and dry nails/feet. For heavy calluses soak feet in warm water for 5–10 minutes to soften.
Power on & test: Install selected bit and start at the lowest speed to get familiar with vibration.
Coarse removal: Use the diamond coarse bit on heavy calluses — short strokes, light pressure.
Shape & trim: Switch to medium bits to even surfaces and tidy nail edges.
Detail cleaning: Use fine metal bits for cuticles, grooves, and hangnails.
Final polish: Finish with the soft polishing head at low speed for a smooth surface.
Cleaning & charging: Remove and clean bits after use; wipe the device and charge via Type‑C.
Safety Tips
Do not use on infected, inflamed or open wounds. Consult a doctor for severe fungal infections.
Begin on low speed and increase gradually after gaining confidence.
Keep the tool moving; avoid staying on the same spot for long to prevent overheating or injury.
Who Is It For
Home users who perform DIY manicures and pedicures.
People with heel calluses or rough feet needing regular maintenance.
Seniors or those with thick nails requiring extra filing power.
Nail technicians and mobile beauticians who need a portable rechargeable unit.
Advantages Summary
All-in-one: replaces separate nail file and foot file — saves space and cost.
USB‑C fast charging + 2000mAh: convenient modern charging with reliable runtime.
Variety of bits and 5-speed control: accommodate sensitive to heavy-duty tasks.
Lightweight & low-noise: comfortable for extended personal use.
Safety Tips
Do not use on infected, inflamed or open wounds. Consult a doctor for severe fungal infections.
Begin on low speed and increase gradually after gaining confidence.
Keep the tool moving; avoid staying on the same spot for long to prevent overheating or injury.
Who Is It For
Home users who perform DIY manicures and pedicures.
People with heel calluses or rough feet needing regular maintenance.
Seniors or those with thick nails requiring extra filing power.
Nail technicians and mobile beauticians who need a portable rechargeable unit.
LED light for improved precision in detailed work.
How to Use (Step-by-step)
Preparation: Clean and dry nails/feet. For heavy calluses soak feet in warm water for 5–10 minutes to soften.
Power on & test: Install selected bit and start at the lowest speed to get familiar with vibration.
Coarse removal: Use the diamond coarse bit on heavy calluses — short strokes, light pressure.
Shape & trim: Switch to medium bits to even surfaces and tidy nail edges.
Detail cleaning: Use fine metal bits for cuticles, grooves, and hangnails.
Final polish: Finish with the soft polishing head at low speed for a smooth surface.
Cleaning & charging: Remove and clean bits after use; wipe the device and charge via Type‑C.

2-in-1 design: Combines an electric nail drill and a callus/foot grinder in one unit — suitable for fingernails and toenails.
Adjustable speeds: 5-speed settings (Baby / Adult / Medium / Fast / Strong) for delicate polishing to heavy-duty grinding.
Multiple bits included: 8 interchangeable grinding/polishing heads for shaping, edging, callus removal, polishing, and cuticle/gap cleaning.
Portable charging: Type‑C fast charging with a 2000mAh battery for long runtime and travel-friendly use.
LED precision light: Built-in LED light for accurate work in dim conditions or small areas.
Lightweight & quiet: Approx. 135g body weight with low noise operation for comfortable use.


Accessory Functions (8 common bits explained)
Diamond cone coarse head (large cone)
Use: Remove thick calluses and hard dead skin on heels.
Feature: Strong abrasion for efficient callus removal. Tip: Start at low speed and use short, light strokes.
Diamond cylinder medium head
Use: Smooth uneven surfaces on heels and thicker nail areas.
Feature: Moderate removal power and good control.
Soft polishing head (white silicone/sanding)
Use: Polish nail surface, remove fine debris, final smoothing.
Feature: Gentle on nail plate, ideal for finishing.
White wedge / cone polishing head
Use: Trim edges, reach sidewalls and areas close to the cuticle.
Feature: Shape fits corners for precise detail work.
Small metal drill bit (fine)
Use: Clean nail grooves, remove stubborn debris and hangnails.
Feature: High precision, for localized tasks.
Tapered slim metal bit
Use: Hangnail removal, cuticle groove work, detailing and shaping.
Feature: Good for fine sculpting and gap cleaning.
Small rounded polishing bit (metal round head)
Use: Smooth small defects and polish edges.
Feature: Reduces chance of scratching, suitable for fine finishing.
Wide cup / foot polishing head (large white cup)
Use: Large-area callus smoothing on soles and heels.
Feature: Covers wider area for efficient foot care.

Intended Uses
Home manicure: shaping, smoothing, and polishing fingernails.
Pedicure & callus care: removing heel calluses and rough skin on feet.
Detail work: cleaning nail grooves, removing hangnails, trimming sidewalls.
Pre-polish prep: smoothing nail surface before polish or gel application.


Advantages Summary
All-in-one: replaces separate nail file and foot file — saves space and cost.
USB‑C fast charging + 2000mAh: convenient modern charging with reliable runtime.
Variety of bits and 5-speed control: accommodate sensitive to heavy-duty tasks.
Lightweight & low-noise: comfortable for extended personal use.
LED light for improved precision in detailed work.
How to Use (Step-by-step)
Preparation: Clean and dry nails/feet. For heavy calluses soak feet in warm water for 5–10 minutes to soften.
Power on & test: Install selected bit and start at the lowest speed to get familiar with vibration.
Coarse removal: Use the diamond coarse bit on heavy calluses — short strokes, light pressure.
Shape & trim: Switch to medium bits to even surfaces and tidy nail edges.
Detail cleaning: Use fine metal bits for cuticles, grooves, and hangnails.
Final polish: Finish with the soft polishing head at low speed for a smooth surface.
Cleaning & charging: Remove and clean bits after use; wipe the device and charge via Type‑C.
Safety Tips
Do not use on infected, inflamed or open wounds. Consult a doctor for severe fungal infections.
Begin on low speed and increase gradually after gaining confidence.
Keep the tool moving; avoid staying on the same spot for long to prevent overheating or injury.
Who Is It For
Home users who perform DIY manicures and pedicures.
People with heel calluses or rough feet needing regular maintenance.
Seniors or those with thick nails requiring extra filing power.
Nail technicians and mobile beauticians who need a portable rechargeable unit.
Advantages Summary
All-in-one: replaces separate nail file and foot file — saves space and cost.
USB‑C fast charging + 2000mAh: convenient modern charging with reliable runtime.
Variety of bits and 5-speed control: accommodate sensitive to heavy-duty tasks.
Lightweight & low-noise: comfortable for extended personal use.
Safety Tips
Do not use on infected, inflamed or open wounds. Consult a doctor for severe fungal infections.
Begin on low speed and increase gradually after gaining confidence.
Keep the tool moving; avoid staying on the same spot for long to prevent overheating or injury.
Who Is It For
Home users who perform DIY manicures and pedicures.
People with heel calluses or rough feet needing regular maintenance.
Seniors or those with thick nails requiring extra filing power.
Nail technicians and mobile beauticians who need a portable rechargeable unit.
LED light for improved precision in detailed work.
How to Use (Step-by-step)
Preparation: Clean and dry nails/feet. For heavy calluses soak feet in warm water for 5–10 minutes to soften.
Power on & test: Install selected bit and start at the lowest speed to get familiar with vibration.
Coarse removal: Use the diamond coarse bit on heavy calluses — short strokes, light pressure.
Shape & trim: Switch to medium bits to even surfaces and tidy nail edges.
Detail cleaning: Use fine metal bits for cuticles, grooves, and hangnails.
Final polish: Finish with the soft polishing head at low speed for a smooth surface.
Cleaning & charging: Remove and clean bits after use; wipe the device and charge via Type‑C.