With metal Rhodium which makes it harder than before Better in conductivity and durability -3.2A Max Output -4X Rocket-Speed Charging -50% charged in 35-38 mins -4X Rocket-Speed Charging(Improve charging Performance by 19%) -Professional Bend Test for 10,000 times -Tension Resistance Up to 30 kg -Sturdy metal frame + UV glue protection circuit board -Data synchronization and charging”