About Active Stylus Fine, Light, Brief stylish design with 146mm length, 13.3g weight, 1.5mm tip for smoothly writing and drawing. More sensitive with long time wearing at best performance. Great Yoga 2 Pro stylus options for artist, journalist, teacher and students etc. No More Big Fingers This stylus for Lenovo Yoga 710/720/730/740/910/920 Tablets has a better touch point than the tip of your finger, which provides better accuracy to little touch focuses like keys on the screen console. No more big finger bothers. Great Feature Built-in battery provides 8 hours active use while it’s fully charged with Micro USB in 60 minutes. Smart Saver, auto shutdown after 30 mintues for safety. Charging input is 5V/0.2A. IMPORTANT Don’t Use Fast Charger as internal chip would be damaged due to high currency Precise Point Control With buffer unit at Tip design gives you more accuracy and control against tablets and cellphones screen. No resistance when drawing and writing as real pen f