Metapen Stylus Pen M2 Biz for Microsoft Surface(4096 Pressure Level, 180 Days AAAA Battery Life), 2-in-1 Button Surface Pen for Surface Pro X/9/8/7/6/5/4/3/Go 3/Studio 2/Book 3/Duo, ASUS VivoBook Flip
Andana MPP Stylus Pen 1.51 with 1024 Pressure Sensitivity, Palm Rejection, AAAA Battery, Compatible With Microsoft Surface and Some Asus, Acer, Dell, HP, Vaio (silver)