Dell Active Pen-PN350M, Device Type: Stylus, Colour: Black, Connectivity Technology: Wireless, Interface: Microsoft Pen Protocol, Buttons Qty: 2, Pressure Levels: 1024, Features: Pressure sensitivity, magnetic snap, Battery: Run Time (Up To) 18 months, Weight: 18g, Included Accessories: AAAA battery, Limited warranty - 1 year