【Rechargeable & Stand-Alone】Built in lithium battery provides 8-10 hours of active use and recharges by Micro USB cable (included). Charging condition: 5V-0.2A. It will cut off power automaticly after a full charge .Stand-Alone active stylus design. NO Bluetooth or APP required. | 【Compatibility】Works with all capacitive touch screen,For PC,Universal,compatible with most touch screen devices, compatible with iPhone, iPad, iPad Pro,iPad mini ,ipad air ,Compatible with all Samsung tablets all Samsung tablets and for Android smart phones, HTC, Samsung Galaxy, Huawei Lenovo LG Nokia iOS and Android Capacitive Touchscreen.The best stylus Pencil for artist, journalist, teacher and students etc. | 【Precise/ Sensitivity】It has a 1.45mm super fine tip gives you the accuracy you need and provides superior control and traction against tablet screens. It is made of copper that will last for a lifetime. Active stylus technology reduces off set and lag time between fine tip and trace, keep your tablet or phone screen free of finger smudges by using this stylus instead. | 【2-in-1 design】2019 newest 2 in 1 styluses latest AICase Active stylus pen 1.45mm fine elastic tip and sensitive technology offers the better accuracy, which gives you a comfortable experience when taking notes, drawing, writing, signing on any smart phones and tablets.There is a magnetic closure cap on the stylus bottom, which can protect the usb port from damage and dirty. | 【12 months warranty】 100% charge and discharge aging tested for durability and safety, has additional overheat overcurrent and overvoltage protection and IC protection.We offer 12 months warranty.If there is any problem with the product you received,or you have any questions please feel free contact us for help.We will provide you a good solution with in 24 hours. Note：US warehouse shipment.