Juice onn Portable Battery Pack for smart phones

onn. Portable Battery, 4k mAh, Pink Portable battery for smartphones, tablets, and other USB-charged devices 1 extra charge LED power level indicator Rated capacity: 4000mAh/3.7V; actual capacity: 2300mAH/5V For use with USB-connected Apple iPhone, Samsung Galaxy, Google Pixel, and other devices Over-charge/discharge/voltage/current/heat and short circuit protection Input: DC 5V/2A Output: DC 5V/2.4A MAX What's in the Box? 1 portable battery, 1 micro-USB charging cable 1 ft (30.5 cm)