Power Bank, Tonicstar 10000mAh Portable Charger High Battery Capacity: 10000mAh capacity with two USB outputs, fast charging your two digital devices quickly, effectively and steadily. Built-in LEDs: Four status LEDs indicate remaining capacity. It will shut off soon if no device is connected to it. Built-in LED flashlight illuminates the dark environment, which is convenient for outdoors. Ultra Slim Appearance And Light Weight: Ultra slim design with a solid aluminum alloy construction provides good touch feeling. Portable to carry for outdoor activities. Good Compatibility: Easy to connect with most digital devices with USB interface, such as smart phones, digital cameras, tablet PCs and so on. Full And Safe Charge: High energy conversion rate continuously charge your devices for many times. Allows over-charged, over-discharged, over-voltage, over-current and short circuit protection.