Keyboard -Surface Smart Stylus For Surface Pro 7 6 5 4 3 / Laptop 3 2 1 / Go Silver Description: Super Long Battery LifeWith one AAAA battery supports up to 1500 hours working time. Saves energy by automatically shutting off when not in use. High Accuracy, Low Latency with 1024 pressure points is designed for writing, drawing and note taking. Instant response, low latency, truly accurate handwriting reproduction. Easy to UseNo pairing required, skip the Bluetooth pairing process, turn it on and start using. Easy to hold, streamlined shape and 9.9mm in diameter, you won't feel tired using it all day. Spare Stylus TipsEquipped with 1 HB type stylus tip and 2 2H type spare stylus tips, you can change it according to your preference. Palm RejectionSupport palm rejection function, feel free to put the palm on the surface without interfering with the use of the pen. Built-in keyboard shortcuts, support erase and right-click function for easier use. Match Surface Devices Perfectly is compatible with Surface Pro 3, Surface Pro 4, Surface Pro 5, Surface Pro 6, Surface Pro 7, Surface Go, Surface Book, Surface Book 2, Surface Studio 1st Gen, Surface Studio 2, Surface Laptop 1st Generation, Surface Laptop 2 Specification: Color: Black Silver Material: Aluminum Size: Height 143.6mm Battery: 1 AAAA batteries required. (included) Working time: 1500 hours Package includes: 1 pen Note: Please contact us first if there are any problems with the product. The item's color may be slightly different from the pictures due to the light and screen setting difference. Please allow slight dimension error due to manual measurement. Thanks for your understanding.