• 20,000 mAh capacity, automatically detects and adjusts the charging current to obtain the fastest charging.
• Smart Charge technology keeps your devices from over-charging/heating/current and short circuit
• Power LED indicator, 
• Dual output, simultaneously charge two devices
• Warranty and product support
• Product Dimensions: 6.4" x 3" x .8" 

Aduro UltraBoost features Incredible 20,000 mAh capacity (Input: 5V/1000 mAh, Output: Dual USB ports - 4.1A total). The USB charging ports will choose the best and fastest amperage rate for your device. This charger bank not only deliver you the high-speed and fast charging experience also keeps your devices from over-charging/heating/current and short circuit. Status LEDs keep you informed of remaining capacity. Grade A cells and premium chips ensure reliability while charging a tablet and a phone simultaneously. Can recharge your iPhone fully seven times over before needing to recharge. Stylish design and available in two colors (Black and White).