BuQu Tech Protective Cover and Double Capacity Battery for Samsung Galaxy S4 - Non-Retail Packaging - Pink Replaces your Samsung back cover to provide extra protection without added size Included double capacity battery provides up to double the run time: 14 hours of added talk time, 8 hours internet, 55 hours music playback, 9 hours video play and 280 hours standby Durable bumpers shield corners and raised front edge protects screen in a direct fall Thin, lightweight design guards against drops without adding bulk 1 year warranty