It is smooth and no need to replace.
[About the stylus] built-in battery through the Micro USB cable (including) to provide 12 hours of active use and charging. Stand-alone stylus design. Do not need Bluetooth or APP.
[Compatibility ]applies to most touchscreen devices (including iPhone 7, 7+, 6/6S, 6+, 6S, 5/5S, HTC, BlackBerry, Motorola, Android Tablet PC, Samsung Tablet PC, etc.)
[Precise / Sensitivity] It has a 1.8mm ultra-fine tip that provides the accuracy you need and provides excellent control and traction for your tablet screen. The stylus technology reduces the setting and delay time between fine tips and traces, and is extremely sensitive to gestures.
[Features] stylus on the top of the button, you need to press the rear to use, press the light will be prompted.
[Fashion Design] It is a sealed, sturdy stylus. The stylus of the stylus is made of high quality aluminum alloy, with a frosted surface, which provides a slip resistance and a good feel when used.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 1.57 inch
Height : 0.79 inch
Length : 7.09 inch

Item Weight: 1.44 ounce (View shipping rates and policies)
Shipping Weight: 2.4 ounce (View shipping rates and policies)

ASIN : B01IZB41ZA