Upgraded Magnetic Disc Stylus for Touch Capacitive Screen Devices How to Change the Disc Tip New disc is on the other side that covered by the sliver cap, please screw off the cap and you will see the disc tip. To replace the disc tip, please pull it out by holding the middle part of the small metal bar, then push a new disc tip into the stylus. Wide Compatibility The disc stylus pens widely Compatible with most touch screen devices, including 3 / 4 / 5 / 6 / 7 / 8, Pro 1th / 2th / 3th, Air 4 / 3 / 2 / 1, Mini 2 / 3 / 4 / 5, 12 / 12 Mini / 12 Pro / 12 Pro Max / 11 / 11 Pro/11 Pro Max / X / 8 / 8 Plus / 7 / 7 Plus / 6s / 6s Samsung, Huawei, HTC, LG and smartphones and other tablets. Important Instructions 1. This is an universal stylus. No Bluetooth connected or specified apps required, just take it as your fingers to write on your touch screens directly. Remember not to rest your palm on the screen when you use the stylus, or it won't work well. 2. Normally our stylus won't cause scratches on touch screen, but we still suggest you to use a screen protector on your device to protect the screen from any possible damage/scratches which may be caused by dirt on disc/screen, damaged tips or defective product of low probability. 3. Please don't remove the clear plastic disc from the tip. It is not an unnecessary part. Instead, it's very important to receive and conduct touch screen signal, without which the stylus will not work. 4. When you use this stylus, please let the disc fully touch the screen. If you can not write smooth on the device, the reason would maybe the device is not running enough, please restart the device or turn off other apps. Package Including 2 x Stylus pen 4 x Replacement disc tips 2 x Replacement fiber tips 1 x Exquisite packing box