Feature: 1. 4096 PRESSURE SENSITIVITY: The Digital pen has 4096 pressure sensitivity, providing a natural pencil and paper experience when sketching and taking notes. 2. CUSTOMIZABLE BUTTONS: Users can also easily access shortcut functions with two customizable buttons built into the bottom of the pen. 3. ALUMINUM ALLOY MATERIAL: Tablet stylus pen is made of aluminum alloy material, which is highly hard, wear resistant and durable, with a long service life. 4. ERGONOMIC DESIGN: The Digital pen is ergonomically designed to help reduce hand fatigue and comes with a plastic case for easy storage and portability. 5. LIGHTWEIGHT AND PORTABLE: Tablet stylus is small, lightweight and easy to carry, which can bring you more convenience and better meet your needs. Specification: Item Type: Stylus Pen Material: Aluminum Alloy Pressure Sensing Levels: 4096 Levels Color: Dark Gray Battery Type: 100mAh Li Ion (Ship with Inbuilt Battery) Applicable: For ASUS PEN SA301H. Package List: 1 x Stylus (Ship with Inbuilt Battery)1 x Plastic Case