... Material: ABS + Siliconee Battery Capacity: 7800mah Portable Waterproof Power Bank built in 7800mah Product Specifications: Model No:IPB-7800Compatibility:All smart ... designed for field trip. Already pass 3 ATM waterproof testHigh capacity design. Built in 7800mah, Easy to take, perfect partner on ... sample fee as less as we can, even sometimes free sample available. However, you have to pay us the ...