Features: This power bank is of exquisite workmanship, the surface is water and corrosion resistant, and is perfect for everyday use. 3000mAh large capacity, premium Li-ion battery cells add an extra 3000mAh to the battery life of your smartphone, tablet or digital camera. Support BT 3.0, it can serve as a remote for photo taking, what a great necessity on your journey. First grade circuit chip protection, not only provides protection, but also enhances efficiency. Optimized charging efficient conversion rate, stable and safe, efficient and durable. Simple design, buttons, indicator lights, and connection ports are located on one end of the power bank. It's compatible with smartphones and tablets from different brand as well as a variety of digital cameras and handheld gaming devices. Exquisite life is just in the palm of your hands.