ESR's precision stylus is used for drawing and notes on touch screens. Thanks to an incredibly small tip - only 1.4 millimeters - it allows accurate plotting and processing of graphics on many types of devices (Android, iOS, Windows 10). It is enough to turn on the stylus and it is ready to go. One full charge that lasts only 60 minutes for 10 hours of continuous operation. Digital stylus of ESR was manufactured from non-slip PC material. The built-in LED tells you about discharging the device, so you know when to connect it.