Xiemin Portable Charger Power Adapter for Microsoft Surface Book 13.5 Inch Tablet Fits for Microsoft Surface Book Inch Tablet 2015 ONLY!!! I/C Chip technology prevents your tablet's battery overcharging. Easy to carry around, on trip and travel. Does NOT fit for microsoft surface pro 4 or surface pro 3!!! Package includes: 1 x charger for Microsoft Surface Book Tablet