Feature: 1. Safety and sensitivity: 100% compatible for Surface 3, Surface Go, Surface Pro 3, Surface Pro 4, Surface, Pro 5, Surface Pro (2017), Surface Pro 6, Surface Laptop 1 and 2, Surface Book/Book 2 , Surface Studio, Windows 10 system, write without delay and offset. 2. Low power consumption and high sensitivity: The pen supports 600 hours of continuous use and 240 days of support. When you stop moving the , it turns off automatically. This has 1024-4096 pressure points for easy note taking, drawing, designing and writing. Description: Product name: Item Type: Surface Pressure sensitivity: 4096 pressure levels button: eraser/right-click context Battery: 1 AAAA alkaline battery Length: 142mm Cylinder diameter: 9.5mm Including packaging weight: 45g Accessories include: 1 x , 1 x AAAA battery (AA battery), 2 x replacement nibs, 1 x nib replacement tool Dimensions: Length 142mm/5.51", Diameter 9.5mm/0.39" Weight: 20g Compatible with: Compatible for 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 Laptop 1/2/3/ 4. Microsoft Surface Studio, Microsoft Surface Go1/Go2, 2. ASUS, ASUS Mini Transformer (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 17-aexxx, HP x360 15-bp0xx, HP 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 Clamshell (VJZ13BX0211B). Acer, Acer Spin 5, Acer 5 Spin. Instructions for use: It can be used directly after booting, without any settings, without connection, and the button functions are the right mouse button and the eraser; Reminder: If the received cannot be used 1. Please make sure your tablet model is compatible. 2. Please make sure the battery is charged and installed backwards (or try another battery). 3. Please make sure your tablet touch Whether the pen driver is the latest driver, if not, please update the driver. Packing list: 1 x 1 x AAAA battery (Build-in) 2 x replacement nibs 1 x nib replacement tool 1 x packing box Note: 1. Due to manual measurement, please allow 1-3 cm error. Make sure you don't mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.