Dell Active Pen - PN350M - Penna attiva - 2 pulsanti - Microsoft Pen Protocol - nero - per Only works with systems with active pen support: Inspiron 13/15 2-in-1, 5400 2-in-1, 5481 2-in-1, 5482 2-in-1, 5485 2-in-1, 5490 2-in-1, 5491 2-in-1, 5582 2-in-1, 5591 2-in-1, 7300 2-in-1, 7306 2-in-1, 7386 2-in-1, 7390 2-in-1, 7391 2-in-1, 7405 2-in-1, 7500 2-in-1, 7506 2-in-1, 7579 2-in-1, 7586