I was going to use it with my smartphone, but it didn't work, so I'm putting it up for sale. I was able to use it on my iPad for a test write, so rest assured. I will wrap it in cushioning material twice and ship it in a waterproof bag. Universal stylus pen compatible with iOS/Android/Windows. Touch pen. Color: Black Charging cable, Japanese instruction manual, and replacement pen tip included! 0-delay stylus pen Multi-device compatible with response effect, prevents accidental ON & OFF, supports magnetic adsorption, and is highly sensitive. Compatible with all models, and you can use multiple devices simultaneously. No pairing required, and it can be used instantly (pencil for Pad/Phone/Android/smartphones/tablets). Also, no connection or pairing is required. Double-click the switch to start writing immediately. This touch pen is made of aluminum alloy and weighs only 12g. It is both drop-resistant and wear-resistant, lightweight and easy to carry. The [tilt detection function] accurately detects the angle of the pen tip and automatically adjusts the thickness of the line accordingly. To use this function, you need to open a compatible drawing app. Fast charging, fully charged in 20 minutes. It can be used for a long time, with 6-8 hours of continuous use. High sensitivity without delay allows for smooth operation. It also has an energy-saving function that automatically turns off the power if there is no response for 5 minutes. Tablet pen android USB C rechargeable, equipped with 4 LED lights, you can easily check the battery level. - Model Name: Universal Stylus pen - Supported OS: iOS/Android/Windows - Color: Black