SYSKA Power Shell Power Bank comes with Type C Input/ Output,Pro-Long Battery Life,Intelligent,9 Layer of Protection,Advance Current Shunt,Over Charging-Discharging Protection,Multi-compatible. The modulation of pulse width can reduce the energy consumption of recharging to make the power bank in prolong use. The power bank provides constant current to ensure safe charging. The output is instantly disabled when exceed to the rate of current to protect the circuit safety. The Power bank can be used for iPod,iPad,Mp3,Mp4,PSP,PDA,Bluetooth,Cellphone,Digital Camera,MID and so on.