... .B. Features1. Various shapes available 2. Coil cable design3. LED display, the LED indicates power on4. USB ports output and it ... directly.5. Protections: Shot-circuit, over-flow and over-voltage.6. Elegant appearance, lightweight, convenient to carry. C. Advantages1. Intelligent ... 3. Have the best professional and experienced engineers (more than 6 years in this field) and strict QA and QC system ...