1.World General purpose 5V safe voltage input, do not need security certificate.
2. Private mold with special appearance.
3. The display screen material use of VA not TN(belong to other supplier),which can be seen from all corners and it is with large viewing angle and high definition.
4. The charger with accuracy voltage. The voltage control in 4.2V with 0.01V difference. Other supplier is in 4.2V with 0.02 to 0.05V.