"-Product features: 1. Safety and Sensitivity: 100 percent Compatible with Surface 3, Surface Go, Surface Pro 3, Surface Pro 4, Surface Pro 5, Surface Pro (2017), Surface Pro 6, Surface Laptop 1and2, Surface Book or Book 2, Surface Studio , using Windows 10 system, writing without any lag and offset. 2. Advanced Materials: The body of this Microsoft Pen is made of aluminum alloy, which is durable and suitable for daily use. The clip design is very portable, and the stylus is very stylish and comfortable to hold in your hand. The Palm Reject feature automatically recognizes the Surface Pen and frees up your writing. 3. No driver and bluetooth setup required: This Surface Pen does not require a bluetooth connection. Just plug in the battery and you're ready to go. Equipped with 2 nibs, you can use a tool to replace them in a second, extending the life of the stylus. 4. Low power consumption and high sensitivity: The Surface Pen supports 600 hours of continuous use and 240 days of support. When you stop moving the stylus, it turns off automatically. This stylus has 1024-4096 pressure points for easy note taking, drawing, designing and writing. -Specification: 1. Item Type: Surface Stylus 2. By level: 4096 3. Buttons: "Eraser" and "Right Click" 4. Dimensions: Length is 140mm or 5.51", diameter is 10mm or 0.39" 5. Weight: 20g 6. Compatible: 1. Microsoft Microsoft Surface 3 Microsoft Surface Pro 3 Microsoft Surface Pro 4 Microsoft Surface Pro 5 Microsoft Surface Pro 6 Microsoft Surface Pro 7 Microsoft Surface Pro X Microsoft Surface Book1 or 2 or 3 Microsoft Surface Laptop1 or 2 or 3 or 4 Microsoft Surface Studio Microsoft surface Go1 or Go2 2. ASUS ASUS Transformer Mini (T102HA) ASUS Transformer 3 Pro (T303UA) ASUS Transformer 3 (T305CA) ASUS Transformer Pro (T304UA) ASUS ZenBook Flip S (UX370UA) Asus Vivobook Flip 12 R211NA, Vivobook Flip 14 R211NA 3.HP HP Envy 17-aexxx HP Envy x360 15-bp0xx HP Envy x360 15-bq0xx HP Pavilion x360 11m-ad0xx HP Pavilion x360 14m-ba0xx HP Pavilion x360 15-br0xx HP Spectre x2 12-c0xx HP Spectre x360 13-ac0xx HP Spectre x360 13-ae000 HP Spectre x360 15-bl0xx 4.SONY SONY VAIO Z Flip (VJZ13BX0211B) 5. ACER Acer Spin 5, Acer Nitro 5 Spin -Good after-sale service: If you have any other questions about our products, please feel free to contact us. We are happy to provide you with the best solution within 24 hours. -Package list: 1xStylus 1xAAAA battery (AA battery) 2xReplacement nib 1xNip replacement tool