XIEMIN Microsoft Surface Pro3 / Pro4 DC Interface Charging Cable, Magnetic Charger Cable 11.81 Inch for Microsoft Surface Pro3 / Pro4 (Cable) Overcharge protection prevent your Surface Pro3 / Pro4 from being damage by over-current and over-charging Portable charger, easy to carry around, convenient for businessmen and travel enthusiasts Gold-plated conductive contact and contact chip offer you faster and more stable chargingProfessional magnetic connector for Microsoft Surface Pro3/ Pro4. Compatible with Microsoft Surface Pro3 / Pro4the charging cable interface: 5.5mm * 2.5mm Package: 1pc charger cable for Microsoft Surface Pro3 / Pro4