... pen 2.Compatible with any touch screen 3.Soft head for protecting your touch screen. 4.Clip design,easy to carry ... , easily clip in your pocket, book, diary, etc. •Soft head for protecting your touch screen. •Compatible with Apple iPad, iPhone, iPod ... . •sign penfor mobile phone, PDA, iPod Touch 3g, iPhone 3Gs, Blackberry, Plam Pre, Nokia, Samsung, HTC, Apple iPad ,et.