Tip Size: Often ranges from 1.5mm (fine-tip active) to 6mm+ (rubber capacitive).
Material: Frequently constructed from durable metal, such as aluminum or copper.
Battery/Power: Active styluses require charging (often via Micro USB or USB-C), offering roughly 10–12 hours of active use, and frequently feature auto-shutoff to save power.
Compatibility: Most are designed to be universal, working on iOS, Android, and Windows touch devices, though some are device-specific.