KEY FEATURES: TAU 2 is the emergency power bank for every device (Lightning, Micro USB, USB-C). Its keyring form factor is perfect to let you attach it to your keys when carrying it around. Charge your TAU 2 just by putting away your keys. We even took the time to give you a quick and easy way to set up its charging dock on a desk, on a wall, or even the door side table. Now your power bank is always fully charged and within reach right alongside your keys, eliminating the frustration of a dead...