yoyomax Stylus Pens for Touch Screens, Fine Point Stylist Pen Pencil Compatible with iPhone iPad and Other Tablet Sensitive & Precise Tip: Innovative tip design, making it easy to turn a page, pick a movie, draw a picture and keeps pesky fingerprints off your glossy screen. Long Battery Life: 8-10 hours working time after 60 minutes charging with micro USB cable included, NO battery low on the go. Easy to Use: Just press the ON button and it will be ready to go. NO Bluetooth connection or any other annoying setting needed, completely hassle free.With power saving design, the pen will automatically power off every 30 minutes. Universal Compatibility: One Stylus Pen for all your digital products, compatible with all capacitive touch screen devices, including iPad, iPhone, Samsung, Android Phones and Most Popular Tablets. 100% SATISFACTION GUARANTEE: We take pride in delivering top quality products and offering our friendly 12 Months Warranty PLUS 30 days money back guarantee for any reason.You can contact our 24 hours available customer service through clicking "Sold by YOYOMAX INC." on the product detail page or your Amazon order page and you will be directed to "Ask a question" to send us message.