1.work with any capacitive touch screen devices 2.Round Silicone Tip 3.Lanyard Loop&Clip 4. a pen Capacitive touch pen: 1.work with any capacitive touch screen devices 2.Round Silicone Tip 3.Lanyard Loop&Clip 4. a pen for mobile phone, PDA, iPod Touch 3g, iPhone 3Gs, Blackberry, Plam Pre, Nokia, Samsung, HTC, Apple iPad ,et.