LliVEER iPhone 6 Phone Case,Rubber iPhone 6 Case,3D Popular Sneaker Sole Pattern Soft Rubber Protective Skin Cover Case for iPhone 6 4.7 inch #6 Use rechargeable lithium polymer battery. Provides protection and prevents scratches,chips and dirt from accumulating We can provide custom phone cases with any design for you. If you want, please contact us! Ergonoamic, form-fitting protective ultra-resistant case-and-battery-in-one for your phone. Integrated power switch allows you to switch on/off the battery case. Only use the battery when you need it.