1 / 6Dr. Pen A20 Microneedling Pen, 8-Cartridge Kit
The Dr. Pen A20 is a rechargeable microneedling pen listing with adjustable speed and needle depth, a digital display and a claimed eight-cartridge selection. Its wireless operation and several cartridge types suit buyers comparing configurable handpieces, but the package contents should be confirmed because the product title and detailed package list do not align clearly.
At a glance
- Cordless rechargeable design is specified with USB Type-C charging and about 2–3 hours of operation per charge.
- Six speed levels and adjustable 0–2.5mm depth give users settings to select for their routine.
- The listing describes an LED display for operating and battery or charging information.
- The stated cartridge compatibility covers 18 Pin, 36 Pin, 42 Pin and Nano types.
Often bought together

5% Hyaluronic Acid Serum Ultra Moisturizing & Elastic Skin - Wake Nature Perfection Hyaluronic Acid - Anti-Aging Serum for Face Single-Use Vials Skincare - Repair Sensitive Skin (1.5 ml)*30
$23.39

Numbskin 5% Lidocaine Numbing Cream – Fast-Acting Topical Anesthetic for Temporary Pain Relief – Commonly Used Before Tattoo, Microneedling, Waxing & Piercing – With Vitamin E – 2 oz (56 g)
$41.99
Pros and cons
Pros
- Cordless use avoids a charging cable tether during operation.
- Multiple listed cartridge styles and six speed settings offer configuration options.
- The digital display is described as showing battery and charging status.
Technical specifications
14 specifications| Brand | Dr. Pen |
|---|---|
| Model | A20 |
| Maximum motor speed | Up to 16,000 RPM |
|---|---|
| Speed settings | 6 speed levels |
| Adjustable needle depth | 0–2.5mm |
| Operation | wireless |
| Battery capacity | 380mAh |
|---|---|
| Operation per charge | approximately 2–3 hours |
| Charging connection | USB Type-C |
| Display | LED digital display |
| Cartridge connection | 3-lock cartridge connection system |
|---|---|
| Cartridge types listed | 18 Pin, 36 Pin, 42 Pin, and Nano |
| Colour | Blue |
|---|---|
| Item form | Pen |
What to know before buying
Listing details to confirm
The listing details are contradictory or unconfirmed about the kit: the title says 8 cartridges, a feature gives two each of 18 Pin, 36 Pin, 42 Pin and Nano, while the product-description package list also names a Type-C cable and region-specific power adapter. Confirm the selected listing's contents before purchase. The claimed 2–3 hours of operation per charge is not identified with a specific setting.
What’s in the box
- 18 Pin cartridges, 2Check selected pack
- 36 Pin cartridges, 2Check selected pack
- 42 Pin cartridges, 2Check selected pack
- Nano cartridges, 2Check selected pack
- Type-C charging cable, 1Check selected pack
- Power adapter, 1Check selected pack
Check which accessories are included in your selected pack before buying.
Who is it for?
A good fit for
- Buyers seeking a cordless microneedling pen with adjustable speed and depth.
- Buyers who want a handpiece listing compatibility with multiple cartridge styles.
Less suited to
- Buyers who need a confirmed, explicitly consistent package inventory before ordering.
- Buyers who require a stated runtime for a particular speed or depth setting.

Customer reviews on Amazon
- 5 stars
38% 38% - 4 stars
62% 62% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
0% 0%
Only aggregate ratings are supplied, with a small sample and ratings in the four- and five-star categories. This offers limited evidence about customer experience and does not identify particular strengths or concerns. It cannot establish how the adjustable settings, battery runtime or cartridge kit perform in practice.
Frequently asked questions
Is the Dr. Pen A20 cordless?
The listing describes wireless operation and a rechargeable 380mAh battery, with approximately 2–3 hours of operation per charge. It does not specify the settings for that runtime.
What adjustments does the A20 offer?
The listing specifies six speed levels and an adjustable needle depth range of 0–2.5mm.
Which cartridge types are listed as compatible?
The product details name 18 Pin, 36 Pin, 42 Pin and Nano cartridges. Confirm that replacement cartridges you plan to use fit the A20.
How many cartridges are included?
The title says eight, and a feature specifies two each of 18 Pin, 36 Pin, 42 Pin and Nano. The detailed package list also mentions a charging cable and a region-specific power adapter, so confirm the selected package contents.

Alternative options

Professional Wireless Microneedling Pen with 20 Replacement Cartridges - 0-2.5mm Adjustable Micro Needling Derma Pen-Black
$116.99

Dr.pen Microneedling Pen - DR. PEN HANDPIECE with 20Pcs Replacement Cartridges-Professional Skin Care Tool Beauty Kit for Man and Women - 0-2.5mm - Dermal Roller Stamp Pen for Face, Hair, Beard, Scalp
$169.99

VOFEL Microneedling Pen Cartridges for M8S, A8S, A9, A11, 18PIN | 0-2.5mm Adjustable Depth, 10pcs
$35.99

Dr.pen A9 Microneedling Pen System - DR. PEN HANDPIECE with 10 Pcs Cartridges for Men & Women Use - Derma Roller Stamp
$149.99

Microneedling Pen 0-3mm
$79.99

Dr.Pen A9 Wireless Microneedling Pen System with Custom 10 Replacement Needle Cartridges, Up to 15,000 RPM Motor Speed, 6 Speed Levels, 0-2.5mm Adjustable Depth, Rechargeable Derma Pen with 18 Pin, 36 Pin & Nano Cartridges
$139.99

Dr.Pen Electric Microneedling Pen, Premium Handpiece Derma Pen, Purple | Up to 15,000 RPM, 5 speed levels, 0–2.5mm adjustable depth, rechargeable design with 12, 36, 42 Pin & Nano-R cartridges
$149.99

VOFEL Microneedling Pen Cartridges for M8S, A8S, A9, A11, 36PIN | 0-2.5mm Adjustable Depth, 10pcs
$34.19

Dr.Pen Wireless Microneedling Pen, Derma Pen, 10 Cartridge Kit, 6 Speeds | DR. PEN HANDPIECE Includes 10 cartridges: 4×16 Pin, 2×36 Pin, 2×42 Pin & 2×Nano-R; 6 speeds, 0–2.5mm depth, up to 16,000 RPM.
$149.99