Roybens Piano Keys 10000mah External Battery Portable Dual USB Chargers 5V 1A /5V 2.1A Output Portable Power Bank with PowerIQ , Led Electric Torch ,Ultra-compact ,Broad Compatibility, Fast Charging,High Capacity For Iphone 6 6 Plus Ipad Air Mini Samsung Galaxy Blackberry Sony Nokia Google Glasses Smart Watch Mp3 4 5 Android Smartphones and Other 5v Digital Devices Two Colours (White) Roybens Durable Piano Keys 10000mah High Capacity Portable External rechargeable battery packs has a ultra-compact and stylish design. Press the power button when charging other devices. Weight (280g/9.9oz) and Demention (14 x 6.4 x 2.4cm / 5.51 x 2.51 x 0.94inch), Portable for your pocket or bag, Most reliable and safe 18650 Lithium battery to ensure high-quality 500+ recharge cycles over the life of the battery Inport (5V/1A) and dual outports (5V/1A 5V/2.1A) for fast charging; Ultra-high energy efficiency;No more tethering your phone to a wall charger or car charger, Auto-Detective: automatically adjusting currents from 1A to 1.5 A when charging from phones to tablets. Ultra-high energy efficiency: automatically power off after 10 seconds. Auto-Off: automatically turning off if no charging is detected 4 LED indicators reveal the battery level ;Intelligent circuit protection system for over-charging, over-discharging, short-circuit, overload , over current etc.Include 1 LED flashlight, quick double click power button to turn it on or off.