PALM REJECTION: Rest your palm comfortably on the screen and lean on screen as you write or draw using this USI pencil. With a functional button included to power on/off button for easy, you get all the benefits of a mouse, without the drawbacks! LIMITLESS: Now you can draw with 4,096 pressure points that responds to the slightest touch. You will love the incredible accuracy of this Stylus pen on your favorite Chromebook devices. Accurate down to the pixel, Providing highly sensitive and precise writing & painting experience. Write and draw naturally, Create without boundaries! VERSATILE: You can easily erase mistakes with the built in eraser button function. Its a great choice for art and business alike! Compatible with a wide range of devices, please see the list below. LONG LASTING: Comes with a Micro USB charging cable, It is rechargeable so you can use it again and again. With a single charge lending up to 120 hours of use. Standby time: 180 Days. Please charge for up to 4 hours.