SonarPen: A cheap, pressure-sensitive stylus for sketching on older iPads

A recent study disturbingly revealed that young children are using touchscreen devices so frequently that they are growing up unable to hold pens correctly due to underdeveloped muscles. Despite there being several electronic pens on the market for use with tablets or smartphones, they generally have been either expensive or limited to newer tablets. A Hong-Kong-based company hopes to change all that with the SonarPen, a cheap, pressure-sensitive stylus that works on almost all generations of iPad, connecting to the devices through the headphone jack.

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

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

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

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

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SonarPen: World's most affordable Smart Pen by GreenBulb — Kickstarter

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

I bought Samsung Tab A 10.1 months back. For creating digital art, I require a pen. What pen should I use, and is it worth it? - Quora

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SonarPen: A cheap, pressure-sensitive stylus for sketching on older iPads

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Super affordable pressure sensitive stylus for Windows notebooks and tablets

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