Colour Silver Brand Google Material Plastic Number of batteries 1 CR2 batteries required. (included) Item weight 0.04 Pounds About this item A more helpful pen. The smart, responsive pen for your Google Pixelbook. Get quick answers. Pixelbook Pen works with the Google Assistant. Make your mark. Feels like a real pen, so you can write, draw, and design naturally. Take notes anytime. Instantly capture an idea or a sketch using Google Keep without unlocking your Pixelbook.