Fitian Black Power Supply Adapter 12V/2.58A for Microsoft Surface Pro 3 12 Inch Tablet (Pro 3 Charger Adapter 3 Without USB Port) Compatible with Microsoft Surface Pro 3 Only!! (Not Fit for Surface RT/ Pro/ Pro2!!) I/C Chip technology prevents your tablet's battery overcharging. Easy operation and convenient use, it is perfectly suitable for travelers and Businessman. Replacement for lost or damaged charger, USA standard plug version. Note: the AC charger adapter does not have USB connector