One-button operation: One-button operation, no need for bluetooth link or any app connection. Just press the button, the light turns blue and you're ready to go Widely used: This stylus is widely used in all capacitive touch screen devices, also compatible with iOS devices, including iPad Pro iPad Mini iPad Air iPhone 11/Pro/Pro max iPhone X iPhone 8/8 Plus iPhone 7/7 Plus iPhone 6s/ 6s Plus iPhone 5/5s/5 SE iPhone 4/4s. (Note: not compatible with Microsoft Windows) Humanized Design: The fine nib is made of ultra-fine elastic copper tip, which provides a smooth writing experience and delicate strokes, and the friendly interaction can avoid scratches. Long Working Time: With USB charging port and built-in battery, just charge for 1-1.5 hours and use for 8-10 hours. With intelligent power saving function, the pen automatically powers off every 30 minutes to protect battery life. Parameter functions: drawing, writing, notes, touch Charging time: 1 hour (charging voltage and current 5V 1A, does not support fast charging, there is a risk of burning out if the rated power exceeds this, please do not use fast charging equipment) Compatible use: Android phones, Apple phones, flat capacitive screen devices of various brands Material: pen body aluminum (pure copper pen tip, the pen tip has a protective film, which will not hurt the screen) Effective distance: 1.6mm from the pen Working time: 8-10 hours Standard accessories: USB charging cable Battery specification: 0.407wh 3.7v 110mah Nib: not replaceable