1.The new national standard certification is safe and secure.In line with national standards, the quality is more guaranteed. 2.Smart Compatibility Supports Multiple Devices.The built-in smart chip can identify the charging power required by the device to charge your device at any time. 3.Lithium polymer battery safety explosion-proof.Strictly select polymer lithium batteries, set multiple Circuit protection makes charging safer. 4.Hassle-free boarding.Compliant with international air transport standards.Meet the regulations of the National Civil Aviation Administration to board the plane. 5.Ultra-thin body for easy portability.Smaller and more convenient to carry around than a mobile phone.