- Penoval USI 2.0: Features USB Type-C quick charging with magnetic functionality. It provides excellent palm rejection and supports 4096 levels of pressure sensitivity.
- Penoval USI 2.0 Lite: Powered by an AAAA battery, it can last up to 600 hours of continuous use. The sleek, gentleman-black design is a favorite among users.
- Penoval USI 702: This is a USI 1.0 Protocol version. It is not compatible with the Google Pixel Tablet, Amazon Fire Max, or Lenovo Duet 3. However, if you are using a USI 1.0-enabled Chromebook, this stylus is a suitable option.
- eiP S2: If you're using touchscreen Chromebooks that do not support USI Protocol. You can consider this one. Please note that it primarily serves as a capacitive touch stylus to replace finger input. It does not support palm rejection, 4096 levels of pressure sensitivity, or other advanced features
⚠️ USI Protocol stands for Universal Stylus Initiative. Not all Chromebooks support the USI Protocol, and in fact, most touchscreen Chromebooks do not. Currently, the USI has a 2.0 protocol with additional features like tilt sensitivity, but this depends on the support provided by individual apps.
