Wacom CS150K Bamboo Stylus Duo Pen for Mobile Devices, Black CS150K
Amazon.com: Bamboo Duo Stylus + Pen for iPad (CS110K) [Old Version] : Cell Phones & Accessories
Bamboo Stylus Duo Review & Comparison Wacom Stylus - YouTube
Bamboo Duo: essential two-in-one stylus plus pen
Amazon.com: Wacom Bamboo Duo 2-In-1 Stylus with Pen for Kindle, Apple iPad, iPhone, iPod touch, Android and other Capacitive Touch Surfaces (CS150W) : Cell Phones & Accessories