1. Product features: - Safety and Sensitivity: It is compatible with Surface 3, Surface Go, Surface Pro 3, Surface Pro 4, Surface Pro 5, Surface Pro (2017), Surface Pro 6, Surface Laptop 1&2, Surface Book/Book 2, Surface Studio using Windows 10 system. It allows writing without significant lag and offset. - Advanced Materials: The body of this Microsoft Pen is made of aluminum alloy, which is durable and suitable for daily use. The clip design makes it portable, and the stylus is stylish and comfortable to hold. The Palm Reject feature can automatically recognize the Surface Pen and facilitate writing. - No driver and bluetooth setup required: This Surface Pen does not need a bluetooth connection. Just insert the battery and it is ready to use. It comes with 2 nibs and you can replace them quickly with a tool, extending the lifespan of the stylus. - Low power consumption and high sensitivity: The Surface Pen supports about 600 hours of continuous use and around 240 days of standby. When you stop moving the stylus, it turns off automatically. This stylus has 1024 - 4096 pressure points, which is suitable for note - taking, drawing, designing and writing. 2. Specification: - Item Type: Surface Stylus - By level: 4096 - Buttons: "Eraser" and "Right Click" - Dimensions: Length is 140mm/5.51", diameter is 10mm/0.39" - Weight: 20g - Compatible: - 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 Book1/2/3, Microsoft Surface Laptop1/2/3/4, Microsoft Surface Studio, Microsoft surface Go1/Go2 - 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 - 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 - SONY: SONY VAIO Z Flip (VJZ13BX0211B) - ACER: Acer Spin 5, Acer Nitro 5 Spin 3. Good after - sale service: If you have any other questions about our products, please feel free to contact us. We will provide you with a solution within 24 hours. 4. Package list: - 1*Stylus - 1*AAAA battery (AA battery) - 2*Replacement nib - 1*Nip replacement tool