【Upgrade 10000mAh Power Bank】High Capacity Ultra Compact Portable Charger Can charges an Galaxy S8 2.5 times, an iPhone 7 3 times (It depends on the capacity of your mobile phone) Suitable for a business trip or other outdoor activities.【Mini Portable Charger with LCD Digital Display】LCD power display can accurately keep track of remaining power, If it does not show up,pressing once on the power button to turn it on.【High Speed Charging External Battery】 JONKUU power bank has dual USB ports, combined with dual 5 V / 2.4 A output, quickly provide enough power for your phone and other devices.【Safe and Compatibility Battery Pack】 10000mAh portable charger external battery power bank.Reliable A+ Lithium-Ion Battery, Built-in multi-protection system protect the power bank against over current and short circuit. It'll automatically turn itself off when short circuit or overloading occurs. safe and provides you an ultra-long product lifespan.