?What's Included?1 x Pen for Surface Go, 2 x extra replaceable stylus pen nib, 1 x AAAA battery. Support 1 Year after-sales service and 30 days free return & replacement. If you have any questions, our customer service will be there for help and we will get back to you within 24 hours. ?Palm Rejection?Palm rejection technology allows you to rest your hand naturally on the screen while writing, no need wearing anti-friction gloves. Super convenient for kids. ?Easy to use?No pairing required, skip the Bluetooth pairing process, just put an AAAA Battery (included) into the pen, and then it will work perfectly. Easy to hold, you won't feel tired for using it the whole day. ?1024 Levels of Pressure Sensitivity?Stylus pen with 1024 pressure points is designed for writing, drawing, and notes taking. Instant response, low latency, truly accurate handwriting reproduction. ?Wide Compatibility?Pen compatible with Microsoft Surface Go 3, Surface Go 2, Surface Go. Also work with Surface Pro 9, Surface Pro 8, Surface Pro 7, Surface Pro 6, Surface Pro 5, Surface Pro 4, Surface Pro 3, Surface Pro X, Surface Book 2, Surface Book 1, Surface Laptop 3, Surface Laptop 2, Surface Laptop 1.