The X1 Yoga is the very definition of versatility, as it works the way you want to, accommodating your environment with a 360 degree hinge. It a built in, rechargeable pen, with full Inking capability supported in all Office 2016 apps. Enhanced security. Use the ThinkPad X1 Yoga in Laptop Mode when you need to create a spreadsheet or write a report. Then fold it into itself for Tablet Mode or simply rotate the screen, and the unique Wave Keyboard recesses and locks the keys. You get greater comfort and convenience with the completely flat surface. The X1 Yoga delivers up to 15.5 hours of battery life. And if you’re running low, the rapid charging feature provides 80% capacity in just an hour. So a lunch break or a layover can easily boost your battery up to more than 12 hours.