ACEFAST V4 Electromagnetic Stylus Pen with Palm Rejection for Tablets

ACEFAST V4 Stylus Pen for EMR Tablets

The ACEFAST V4 is a battery-free electromagnetic stylus made for compatible EMR-enabled tablets and e-readers. It suits buyers who want natural handwriting, drawing and annotation without managing charging or Bluetooth pairing.

Battery-Free EMR Input

The pen uses electromagnetic resonance input, so it works without a built-in battery. That means there is no stylus charging routine to remember before a study session, meeting or note-taking task.

Palm Rejection for Cleaner Writing

Palm rejection helps you rest your hand on the screen more naturally while writing or sketching. On compatible devices, this reduces unwanted touches and makes tablet use feel closer to pen-on-paper input.

Pressure-Sensitive Control

Pressure sensitivity gives supported apps more control over line thickness, tone or opacity. That is useful when you switch between handwriting, markup and sketching on the same device.

Replacement Nibs Included

The package includes five replacement nibs and a nib removal tool. This is practical if you plan to use the stylus regularly and want to replace a worn tip instead of changing the whole pen.

Compatibility and Buying Check

The main thing to verify before ordering is your tablet’s display technology. The V4 is listed for selected EMR-enabled devices, so it is not a universal active stylus for every touchscreen tablet.

It is a better fit for shoppers who already know their device supports EMR input and want a simple writing tool for notes, PDF annotation or sketching. If your tablet does not support EMR, this model is unlikely to be the right match.

What the Box Includes

1. ACEFAST V4 Electromagnetic Stylus Pen
2. 5 replacement nibs
3. Nib removal tool