This product is a portable mobile power supply with high capacity. Using high-performance lithium polymer batteries capacity is 6000mAh. Suitable for tablets mobile phones e-books game consoles digital cameras and other devices with USB charging port. Can use computer USB port to charge for it very convenient. Intelligent automatic short circuit protection design and all interfaces have short circuit protection function. Modern and elegant in shape the covers adopt imported stainless steel polishing and wire drawing under dust-free environment.