PMU and SMP machine comparison
Choose the intended procedure first. These models differ in both power supply and stroke; BISHOP SMP Pen is specifically designed for scalp micropigmentation, so it should not be treated as an identical substitute for a PMU machine.
| Parameter | FK IRONS Spektra Xion S | POPU Mini Diva | BISHOP SMP Pen |
|---|---|---|---|
| Intended use | PMU | PMU | SMP |
| Mechanism | Rotary | Rotary | Rotary |
| Power | Wired | Wireless | Wired |
| Stroke | 1.8 / 2.5 mm | 3.0 / 3.5 mm | 3.5 mm |
| Weight | 134 g | 110 g | 99 g |
| Voltage guidance | 4–9.5 V DC | 2–10 V | 6–7 V |
| Included / additional items | 1.8/2.5 mm cams; RCA cable sold separately. | One 800 mAh battery. Purple/Pink: 3.0 mm; Silver/Black: 3.5 mm. No fast charging. | Machine; check the required power connection. |
Before choosing
For Xion S, budget for an RCA cable and compatible power source if you do not already own them. For Mini Diva, select the colour and stroke together and do not use fast charging. Confirm cartridge compatibility with the machine manufacturer's instructions.
Weights and included items refer to the listed versions. Adjustments and the selected variant may change the specification. Needle protrusion is not a recommended depth in skin.

