Rechargeable Superfine Active Stylus Touch Pen,High Precision Sensitivity Point 1.45mm Capacitive Stylus Pencil for Iphone/Ipad/Samsung and Touch Screen Device(White)Specification:Charging Time:30-40minutes with Micro USB by ACWorking Time:24hours, stand by time:30days.Size Of Nip diameter: 1.45mm * Pen body diameter 9mm * The total length of 180mmGross weight Whith box packaging:55g,Battery Specifications:0.518wh, 3.7v, 160mahMaterial: Pen body aluminum (copper head, Tib with a protective film does not hurt the screen)Power-saving design: automatic power off function for 10 minutes to prevent forgetting.There are non-slip lines in the place where the pen is held.Capacitive pen insensitive solution:Check whether the capacitance of the capacitance pen is sufficient.Please charge it full before use.Power On/Off: Press Power On/Off switch and blue LED is on, blue LED is off when power off.Charge: Red LED is on when charging, Blue LED is on when charge complete.Low battery: Stylus will be slow in touching, and Blue LED flashing, then Auto OFF.