Aluminum Alloy Laptop USI Stylus Feature: 1. Ultra wear-resistant pen tip: It does not scratch the screen, and is durable. Two way communication. Strong anti-interference capability, no and interruption. 2. Light weight, no burden: The pen is light in weight, comfortable to hold, thin in body and exclent in grip. The aluminum alloy pen body, with fashionable frosted surface, not only provides a perfect experience, but also can withstand 6 pounds of pressure without deformation. 3. Compatibility&scalability: Store user preferences in the stylus, allowing users to enjoy a seamless experience on different devices; Nine extended functions are reserved for accessing inertial measurement data. 4. 4096 pressure sensitivity: 4096 pressure points can react to the lightest touch, accuraty draw and color. It's perfect for sketching and shadows. Palm Rejection - When using this USI pencil to write or draw, place your palm comfortably on the screen and lean against the screen without any inence, and do not worry about annoying marks. 5. Long life: Long battery life, no pressure when working outside. Working for more than 600 hours, it can stand by for 6 months with AAAA battery. It is suitable for laptops and tablets of multiple brands and mods. , for Lenovo, for HP, for Acer, for ASUS, for Samsung, etc., see the description for details.Specification: 1. Application Screen: Capacitive Screen 2. Application: Tablets,Laptops 3. Package: 4. Color: Dark grey 5. Material: Aluminum alloy 6. Features: 4096 pressure-sensitive, Palm Rejection, strong compatibility 7. Battery: 1 X AAAA battery (battery not included) 8. Size: 13.7x1x1cm/5.39x0.39x0.39in 9. Weight: 15gApplicable to the following brands and mods:For ASUS:For ASUS Chromebook CX9(CX9400)(some mods, including North American mods ending with T)For ASUS Chromebook Detachable CM3For ASUS Chromebook Detachable CZ1For ASUS Chromebook Flip C4