QC3.0 bidirectional quick charge 10000mAh Aluminum power bank  Ultra thin, anodized aluminum shell, with type-C micro-USB supports simultaneous input Out put: Dual USB Port  (one quick charging port, one regular charging port) Provides almost 3 times of iPhone 8 charges and two and a half Galaxy S8 charges We recommend logo laser engrave on this high quality Aluminum housing Standard accessories: Micro USB cable and user manual Ten kinds of protection function 1. Over temperature protection 2. Short circuit protection 3. Reset protection 4. Input overvoltage protection 5. Input anti-reverse protection 6. Output overcurrent protection 7. Output overvoltage protection 8. Battery overcharge protection 9. Insulation protection of electric core10.Magnetic immunity protection