XIEMIN Replacement Portable Travel Power Adapter Wall Charger for Microsoft Surface Pro 3 12 Inch Tablet (Pro 3 Wall Charger) Fits for Microsoft Surface Pro 3 12 Inch Tablet. I/C Chip technology prevents your tablet's battery overcharging. short circuit protection, over-voltage protection. Easy to carry around, on trip and travel. The length of the cable is 1.3m.