dell-pn579x the dell premium active pen offers flexible multi-protocol compatibility with selected dell 2-in-1 devices with a windows ink compatible display. the pen's multimode controller can be used on all protocol platforms - mpp 1.51 (microsoft pen protocol), wacom aes 1.0 and the latest wacom aes 2.0 technology. model number: pn579x Compatible devices: Notebook Connectivity technology: Bluetooth