Specs are quantitative aspects of the option such as the price
Pros
Pro
Charge a device multiple times
With the available 12000mah battery users will be able to charge a device multiple times before needing to recharge the portable battery unit, which is great for when users will be away from a charging port for a while.
Multiple users have reported issues with the device such as being DOA or having broken ports. So it does seem it may be the luck of the draw as to how well this device works upon arrival.