PhoneSuit"s custom High density lithium-ion 3000 mAh Battery cell coupled with an advanced chipset & electronics can deliver the power you need for your Samsung GS5. The PhoneSuit Elite can provide up to 80% additional Samsung GS5 power. More Samsung GS5 time to talk, chat and run your favorite Apps. Control & Power your Elite Samsung Galaxy S5 Battery Case with dual touch button controls. The capacitive touch buttons have no moving parts and are extremely durable. The end result is a sleek and seamless Samsung Galaxy S5 phone case. Simply touch the left side for 1 second to check the battery status. Touch both the left and right side for 3 seconds to start or stop the Samsung Galaxy S5 charging case. The discreet LED lights stay hidden until you want to see a report of the available power. A press of the button reveals the remaining power in 5 easy to read light shapes. When all 5 lights are lit, it"s fully charged. Every curve and edge has been meticulously designed for a thin profile. The back edges have been reduced for an unparalleled sleek look and feel. The Ergonomic design was key factor in designing the PhoneSuit Elite Galaxy S5 Case. Every corner, curve, seam, and opening has been refined into a smooth continuous ergonomic form. It feels great in your hand with good grip and soft touch metallic rubber composite materials. Take notice to the slim sides, we took every precaution not to add unnecessary bulk with extra bands or material. It’s a slim design you can truly feel. Pass-Through buttons allow for easy access to the Samsung GS5 volume and power. The PhoneSuit Elite is designed to be a true extension to your Samsung GS5. No ports or sensors are covered or blocked by the Elite case. The headphone jack fits most headphone ports.