MFi Certified - meets or exceeds strict performance requirements for syncing and charging via to standard USB port. State of the art design, rugged top PVC construction, Highest quality connectors. Reinforced to add super durability resisting tugging, twisting, and knotting. Syncs and charge together with up to 480MB/s transfer speed. PLUS 2100mA FAST CAR CHARGER AT NO EXTRA COST