For Microsoft Surface Series Stylus Pen Electronic Pen 1. Safe to use, sensitive to touch, strong compatibility 2. The main body is made of aluminum alloy, wear-resistant and durable, suitable for daily use, the clip design is easy to carry, comfortable grip 3. No driver and bluetooth settings, put on the battery can be used 4. Low power consumption, high sensitivity, will automatically shut down when it stops moving 5. With 1024-4096 pressure points, easy to take notes, drawing, design and writing 6. Pressure sensitivity: 4096 pressure levels 7. Button: eraser right-click context 8. Battery: AAAA alkaline battery 1 (not included) 9. Packing list: stylus x1, replacement nib x2, nib replacement tool x1 10. Instructions for use: power on and use directly, without any settings, no need to connect, button function is the right mouse button and eraser 11. Size: length about 14cm, diameter about 1cm 12. Weight: about 20 grams Applicable models: 1. For Microsoft: - Surface 3 - Surface Pro 3 - Surface Pro 4 - Surface Pro 5 - Surface Pro 6 - Surface Pro 7 - Surface Pro X - Surface Book123 - Surface Laptop1234 - Surface Studio - Surface Go1Go2 2. For Asus: - Transformer Mini (T102HA) - Transformer 3 Pro (T303UA) - Transformers 3 (T305CA) - Transformer Pro (T304UA) - ZenBook Flip S (UX370UA) - Vivobook Flip 12 R211NA - Vivobook Flip 14 R211NA 3. For 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 - HPSpectre x360 13-ae000 - HP spectre x360 15-bl0xx 4. For Sony: - VAIO Z Flip (VJZ13BX0211B) 5. For Acer: - Spin 5 - Nitro 5 Spin Note: If you receive a stylus that does not work - Please make sure that your tablet model is compatible with - Please make sure the battery is charged and not installed backwards (or t