iPhone 4 Stylus Pen, BoxWave [mini Capacitive Stylus] Small Rubber Tip Capacitive Stylus Pen for Apple iPhone 4 - Jet Black Works on all capacitive touch screens Conveniently designed to attach to your iPhone 4 via the 3.5mm headset jack Perfect for cold days when you don't want to remove your gloves Available in: Jet Black, Metallic Silver, Crimson Red, or Lunar Blue color