Smart Digital Percentage LED Indicator: The implicit LED indicator presents precise battery percentage. It’s engineered with high precision NC, software IC, high brightness LED display and slightly-transparent 0.001mm surface.
Polka Dot Surface & Refreshing Colors: Fashionable design of Classic Polka Dot surface and refreshing colors, enhancing grip and preventing smudges and fingerprints.
Exclusive Fast Self-charging IC Technology: It can automatically adjust the current and voltage, speeding up the charging efficiency up to 90% while discharging efficiency is 92%. With 5V 2.1A input,it can get fully charged in just 13 hours – which is HALF the time for the common external battery in 24-26 hours.
High capacity: Smart Dual USB output (5V/1A and 5V/2.1A) can charge two devices at the same time. The power conversion rate can reach up to 85%.
What You Get: ROMOSS 20000mAh power bank, Micro USB cable, user's guide , our worry-free 12-month warranty and friendly customer service. (anti-counterfeit label on the top left corner of the box, showing in the eighth picture)