Charging equipment: for smartphones,for camera Features: digital display Output interface: dual USB Type: Portable Power Bank Emergency / Portable Battery type: lithium polymer battery Output interface: dual USB Input interface: Micro USB Output interface: 5V / 3.6A Support fast charging technology: two-way fast charging feature: Large capacity Two USB output ports can be used to charge two devices at the same time. Small size, easy to travel, climb, etc. Smooth texture, wear resistance and corrosion resistance. Warning: Put the mobile power supply in the correct environment, in a dry place to prevent it from falling, and use it correctly.