DIBEK UPGRADED VERSION Manual Coffee Grinder, Conical Burr Mill, Brushed Stainless Steel &ndash; Power Bank, powerful 10000mAh external mobile battery charger fits for most digital devices. External battery charger, high-speed 2.1A & 1.0A USB ports to charge two devices at once. USB power bank, equipped with 4 LED to display power. Quickly and effectively solves the low power problem for your device when travel out. USB battery charger, superb IC short circuit protection ensures its safety.