Security and Sensitivity: Compatible with Surface 3, Surface Go, Surface Pro 3, Surface Pro 4, Surface Pro 5, Surface Pro (2017), Surface Pro 6, Surface Pro 7, Surface Pro X, Surface Laptop 1, Surface Laptop 2, Surface Laptop 3, Surface Laptop 4, Surface Book 1, Surface Book 2, Surface Book 3, and Surface Studio. Works with Windows 10. Writes smoothly with no lag or offset.Advanced Materials: The stylus body is made of aluminum alloy—durable and suitable for daily use. Features a clip for portability, an ergonomic design for comfort, and palm rejection technology for natural writing.No Driver or Bluetooth Required: This stylus does not require Bluetooth pairing or driver installation. Insert the battery and start using immediately. Includes two replaceable pen tips for extended usability.Low Power Consumption and High Sensitivity: Supports up to 600 hours of continuous use; automatically powers off when idle. Offers 4096 levels of pressure sensitivity for precise note-taking, drawing, design, and writing.Specifications: - Buttons: Eraser and right-click button - Battery: 1 AAAA alkaline battery - Dimensions: 140 mm (5.51 in) long, 10 mm (0.39 in) diameter - Compatible devices: Microsoft Surface 3, Surface Go, Surface Pro 3–X, Surface Laptop 1–4, Surface Book 1–3, Surface Studio, ASUS Transformer Mini (T102HA), Transformer 3 Pro (T303UA), Transformer 3 (T305CA), Transformer Pro (T304UA), ZenBook Flip S (UX370UA), VivoBook Flip 12 (R211NA), VivoBook Flip 14 (R211NA), HP Envy 17-aexxx, Envy x360 15-bp0xx, Envy x360 15-bq0xx, Pavilion x360