特點: 1. USB3.0 connector invisible while inserted into laptop. 2. 5V DC-jack build in for external power input. 3. 5V/1.5A PTC fuse design in. 4. NEC µPD720200 controller 5. Internal 5V 900mA DC2DC for USB3.0 current. 6. 512K flash IC for firmware upgrade. 7. CMOS-based LDO regulator for VCC core 8. 4x High quality tant. Capacity.