Bamboo Duo is an essential two-in-one stylus for smooth tapping, writing and drawing on all touchscreens and paper. Use the carbon fiber tip on your touch device and the premium quality black ballpoint pen for fluid writing on your favorite notebook. Both the smooth carbon fiber tip and the black ballpoint are replaceable for long-lasting use. Designed with daily use in mind, the magnetized cap is secure and the clip will fit on your tablet cover. Bamboo Duo is compatible with touchscreen devices running iOS, Android or Windows. Download the Bamboo Paper app for easy note-taking and sketching, and use the Inkspace service to store, shape and share your ideas.