3-In-1 multifunction: this stylus pen with a signature pen and a key chain, the signature pen inside so that you can sign or write without using other public pen and the design of the key ring is conducive to carrying; These designs can make your life more convenient Universal stylus pens: the bullet capacitive stylus pens can be applied to most touch screen devices; When you glide parallel on the screen, the smooth pen feel makes you extremely comfortable Easy to carry: the mini stylus pen is small size with keychain that can attaches to your keys or slips into your purse and then you can be easily put in pocket or bag for your next use Avoid fingerprints: with the tablet pen, you no need to use public pens and avoid direct finger contact with the screen so that you can ensure safety and keep the screen clean and no scratches Durable material: the touchscreen stylus pen is made of AS /ABS material that can keep the touchscreen stylus sturdy and shockproof, so you don't have to worry about the pen breaking if you fall it uncarefully