Features:Aluminum Casing:Beautifully textured aluminum surface. The single-piece metal casing was created by high precision CNC digital cutting. The surface is water and corrosion resistant, and is perfect for everyday use. Simple design: Buttons, indicator lights, and connection ports are located on one end of the power Bank.10000mAh Large Capacity:premium Li-ion battery cells add an extra 10000mAh to the battery life of your smartphone, tablet or digital camera. The Power Bank is capable of 2.5 recharges for the Mi 6.World-class Circuit Chip Protection:Nine layers of protection. Adopted USB smart-control chips and charging/discharging chips.Mi Power Bank not only provides nine layers of circuit chip protection, but also enhances efficiency.DUAL-SIDE FAST CHARGE, Optimized Charging/ Discharging Efficiency up to with High Conversion Rate: World-class chips are not only safer, but improve charging conversion rate and stabilize discharging voltage with advanced resistance-capacitance sensors to optimize efficiency and durability.Compatible with All Popular Smartphones:The charging port automatically adjusts the output. Mi Power Bank automatically adjusts its output based on the connected device. It's compatible with smartphones and tablets from different brand as well as a variety of digital cameras and handheld gaming devices.