The high-efficiency & powerful 2700mAh battery adds more than 100% additional battery life for your iPhone 6/6s</br>The Boostcase patented two-piece modular design includes a protective hardshell case and a detachable battery sleeve. Attach the battery in a simple click when you need it, remove it when you don't. So you can enjoy the slim form factor of your iPhone 6/6s without adding bulk.</br>Features a Micro USB input port and Apple lightning output, the Boostcase iPhone 6 Charging case enables data and power pass-through. You can charge & sync your iPhone 6/6s with the battery still on via the included Micro USB cable.</br>Boostcase is Made for iPhone Certified using only the original Apple lightning port and has passed stringent lab tests to ensure reliability and compatibility to iPhone 6/6s.</br>The Boostcase iPhone 6s charging case also has the following functions built-in: Power On/Off control, touch-activated LED battery level light strip, charge & sync, full camera access, and included headphone adaptor.</br></br>Product Description</br></br>Boostcase is a leading premium iPhone battery case brand. The Boostcase patented two-piece modular design includes a protective hardshell case and a detachable battery sleeve. Attach the battery in a simple click when you need it, remove it when you don't. So you have ultimate flexibilty to enjoy the slim form-factor of your iPhone 6/6s without adding bulk. With the Boostcase award-winning patented modular design this is the only iPhone 6s battery case on the market that you can both protect & power your iPhone while also still keeping its minimal form-factor. With the Boostcase iPhone 6 battery case you can add over 100% more battery life. The Boostcase includes a fully functional set of features including charging on/off switch so you can decide exactly when to power your iPhone, touch-activated sensor battery level indication so you can check power remaining at any time, and pass through charge/sync so you dont need to remove the battery to sync with iTunes.</br><br/>http://www.amazon.com/gp/product/B00THX92TG