This Samsung S Pen is fit for the following Samsung Galaxy Note 4 smart phone model no. :SM-N910FSM-N910K/SM-N910L/SM-N910SSM-N910CSM-N910FDSM-N910FQSM-N910HSM-N910GSM-N910USM-N910W8-Color : Gold -The Samsung Galaxy Note 4 Duos comes bundled with your favorite S Pen. -The enhanced stylus can be used as a pointer, writing implement, and navigational accomplice. It features plastic pen long, flat planes that prevent it from rolling away on a flat surface. -The S Pen neatly slides in and out of the mobile’s chute like a retractable pen.