Features: 1. Security and Sensitivity: 100% 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, with Windows 10 system, writes without any lag and offset. 2. Advanced Materials: The body of this for 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 when taken in hand. The Palm Reject feature automatically recognizes the surface pen and frees your writing. 3. No Driver and Bluetooth Settings Required: This Surface stylus does not require a Bluetooth connection. Simply plug in the battery and you're ready to go. With 2 pen tips, you can use tools to replace them in one 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 this stylus, it will automatically turn off. This stylus has 1024-4096 pressure points for easy note taking, drawing, design and writing. Specifications: Project Type: ACTIVE stylus By level: 4096 Buttons: "Eraser" and "Right button" Size: length is 140mm/5.51in, diameter is 10mm/0.39in Weight: 20g Compatible with: 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 Book1/2/3 Microsoft Surface Laptop1/2/3/4 Microsoft Surface Studio Microsoft surface Go1/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 List 1*Active pen 1*Extra refill 1*AAAA battery 1*Tip removal tool