Bluetooth Pen Stylus [ Pen Generation] Jot Touch 4 Pressure Sensitive Stylus for Android, iPad, iPad Air, iPad Mini, & any Android Tablet or Smart Phone - Black Take Easy Note from Anyware via Your Smart Phone or Tablet / short cut button & Easy Transfer Bluetooth 4.0 Tech: When paired with Bluetooth 4 devices, the new Jot Touch gets up to 1 month of battery life on a single charge. palm rejection, pressure sensitivity, and shortcut buttons. Bluetooth Low Energy Tech with 4MB Memory Minimum 5 hrs of battery last with continuous writing 3 Color LED and buzzer sound