Somoder Ultra Thin 2300mah Portable External Battery Power Pack Built-in Micro USB Cable for Samsung,HTC,Smartphone,Tablets and Other USB Devices(Gray-Micro USB Cable) All-in-one design, meaning no more fuss with separate cables. Portable battery pack with 2,300mAh capacity.Powered using A Grade lithium-ion polymer battery for reduced weight and increased safety. Plugs into Micro USB 2.0 and 3.0 ports to charge your smartphone (like a Samsung Galaxy S6 or Note5) or Bluetooth headset. Micro USB cable neatly stows when not in use. The 2,300mAh battery power will charge a Samsung Galaxy S6 battery from zero to approximately 75% before the power bank needs to be recharged. Power overload protection;USB charging cable included.