SonarPen is a $30 iPad stylus that connects to the headphone jack - The Verge

An affordable alternative to the Apple Pencil

Refurbished JAMJAKE K10 Stylus Pen with Palm Rejection(2018-2020

Sensitive Smart Stylus Pen for iPad, iPhone and Android - SonarPen

Design for drawing on iPhone. Supports palm rejection (for iOS device) and customize-able shortcut button, it turns any device into a powerful digital drawing tablet.

SonarPen - Pressure Sensitive Smart Stylus Pen with Palm Rejection and Shortcut Button. Battery-Less. Compatible with Apple iPad/iPhone/Android

SonarPen stylus review - The Gadgeteer

SonarPen users

平板配件｜SonarPen不插電智慧感壓繪畫筆，低成本入手- 鹹魚爸的3C新奇

SonarPen smart stylus + SonarPen Pocket bundle

SonarPen - Pressure Sensitive Smart Stylus Pen with

Smart Stylus for Android Chromebook

Stylus Pen for iPad 2018-2023, SENKUTA 10 Mins Fast

SonarPen - Pressure Sensitive Smart Stylus Pen with Palm Rejection and Shortcut Button. Battery-Less. Compatible with Apple iPad/iPhone/Android

SonarPen - Pressure Sensitive Smart Stylus Pen with