Mojo Vogue battery case -white

-Easy battery charge-Modular Design: Eco-friendly with battery replacement instead of charging the entire battery case. All other lithium ion battery cases have a limited charging lifespan of 300-500 cycles.-Standard Battery Modules: Uses standard, replacement battery modules, readily available-Well-rounded protection: Stress absorbing device protection against knocks, drops, and vibrations-Fast charge: halves you charging time (compared to a standard 500 mAh USB output power)Package Contents:-Mojo Vogue removable battery case-Micro USB charge and sync cable-Two 1700 mAh I9100 battery modules-Three color back covers-Two grooved bumpers - silver and purple-Quick user guide