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) 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. 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. 1 black, 1 white