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

An affordable alternative to the Apple Pencil

This pressure-sensitive stylus makes almost any iPad mimic the iPad Pro via the headphone jack

SonarPen USB type-C to 3.5mm headphone jack adapter

Colors Live Review (Switch / Switch eShop)

SonarPen - Pressure Sensitive Smart Stylus Pen with Palm Rejection and Shortcut Button. Battery-Less. Compatible with Apple iPad/iPhone/Android/Switch/Chromebook (Red) : Cell Phones & Accessories

Compatible with iPhone 15, iPad Pro, iPad Air 4, 5 and iPad Mini 6. Compatible with Nintendo Switch and Switch Lite. Compatible with Chromebook,

SonarPen USB Type-C to 3.5mm Headphone Jack Adapter

New iPhone/iPad Stylus Senses Pressure Via Audio Signals

SonarPen Is A Smart Stylus That Works With Any iPad - iOS Hacker

SonarPen - Pressure Sensitive Smart Stylus Pen with Palm Rejection and Shortcut Button. Battery-Less. Compatible with Apple iPad/iPhone/Android/Switch/Chromebook (Black) : Cell Phones & Accessories

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SonarPen users

The Morning After: Falcon Heavy away

The Morning After: Falcon Heavy away

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 - Pressure Sensitive Smart Stylus Pen with Palm Rejection and Shortcut Button. Battery-Less. Compatible with Apple iPad/iPhone/Android/Switch/Chromebook (Fuchsia) : Cell Phones & Accessories

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